Sonic Guardians/Plot

==Sonic's Story==
===Prologue: Angel Island===
====Premise====
Knuckle's has once again resigned himself to Angel Island to guard the Master Emerald. Sonic and Tails decide to pay him a visit.
====Levels====
Level 	Objective
Ruins Exterior	Find knuckles!
====Result====
After besting him in combat, Sonic helps knuckles get up. At that point, an Egg Cruiser appears overhead, bombarding the ruins. Metal arms snake down from the cruiser. One of them grabs the Master Emerald, which Knuckles can't reach in time. Two more arms snake down, one smashing the ground bellow Knuckles and sending him tumbling into the ruins, and one aiming for Sonic, although Tails jumps in the way just in time. Tails tells Sonic to run, telling him that Eggman is more than likely looking for the other Emeralds which Sonic planted recently. Reluctantly, Sonic runs to protect them.
===Act 1: Sandstorm Desert===
====Premise====
Looking for the Chaos Emeralds that him and Shadow had planted months before, Sonic arrives in Sandstorm Desert to see a meteor streak downwards towards the ruins. Assuming it has something to do with Eggman, he goes to investigate.
====Levels====
Level 	Objective
Desert 	Get to the ruins!
Ruins 	Find the crash sight!
Boss Battle:Metal Sonic	Defeat Metal Sonic!
====Result====
After finally getting the upper hand on Metal Sonic and defeating the robot, Metal Sonic catches sonic off-guard and uses Maximum Overdrive to run into him, knocking the hedgehog unconscious. When Sonic wakes up, Metal Sonic has disappeared and there's a note next to him reading "Sonic, if you're reading this, come to the University of Iravia. We're waiting. -Vector". Sonic decides to investigate.
===Act 2:Iravia===
====Premise====
After reading the note, Sonic heads off to Iravia, only to find it under attack from Eggman. At least it will be more fun than Sonic thought it would be.
====Levels====
Level 	Objective
The Grass Fields. 	Reach Iravia!
The Subway 	Escape the Egg Trains!
Boss Battle:Amy Rose	Escape Amy!
====Result====
Sonic gets the city center to see Metal Sonic rushing across the square and Chaotix in hot pursuit. Before he can assist the detectives, Sonic sees Amy rushing towards him. He attempts to escape, but Amy manages to catch up to him and pinning him under the Piko Piko Hammer. Realizing that Amy could help and not hinder for once, Sonic tells Amy that they need to find the Chaos Emeralds before Eggman does. Amy agrees under the circumstance that Sonic marries her. Reluctantly, Sonic agrees, although he has no intention too. The two split up and try to get the emeralds.
===Act 3:Crystal Caverns===
====Premise====
Sonic goes to get the Emerald from Crystal Caverns.
====Levels====
Level 	Objective
Overground 	Get to the Caverns!
Abandoned Mine 	Destroy Eggman's robots!
Untouched Caverns	Get to the Emerald!
====Result====
Sonic gets to the Emerald's hiding place only to discover a damaged robot with the Chaos Emerald inside it. He pull the Emerald out only to be caught off guard by the seemingly inactive robot quite literally shooting him into the future.
===Act 4:Future's Fall===
====Premise====
Fired into the future, Sonic manages to meet up with Knuckles, who also ended up here through similar means. Discovering neither of them have Chaos Emeralds, Knuckles tells Sonic that Silver managed to get to their time, which logically points to him having used a time machine. They decide to find it.
====Levels====
Level 	Objective
Rooftop Run 	Escape the robots!
Power Plant 	Find the time machine!
Boss Battle:Bishop	Defeat Bishop!
====Result====
Sonic looks at the robot they defeated, stating it looks similar to Neo Metal Sonic. Knuckles agrees, but says they need to return to the past before they can do anything else. Both heroes return to their own time.
===Act 5:Space Colony Ark===
====Premise====
After being sent back to the present, Sonic finds himself on board Space Colony ARK, which is under attack from Eggman. He decides to try and stop the attack and find a way back to Earth.
====Levels====
Level 	Objective
Final Rush 	Get inside the ARK!
Cannon's Core	Defeat the robots!
Crazy Gadget 	Defend the control bank!
====Result====
After reaching Crazy Gadget, Sonic discovers Shadow repairing Metal Sonic using the ARK's tech. When Sonic asks why, Shadow says that the robot was being chased by Chaotix, so must have some knowledge about Eggman's current endeavors. Shadow uploads Metal's memory data onto the ARK's computer and discovers that Eggman has created a new base in the moon crater he made with the Eclipse Cannon. When Sonic asks how they're supposed to get there, Rouge walks in with a Chaos Emerald, saying Shadow can Chaos Control them over. Shadow looks slightly confused by Rouge's appearance, but follows with her plan. He takes the Chaos Emerald and teleports the 3 heroes over to the Egg Crater.
===Act 6:Egg Crater===
====Premise====
After warping into Eggman's base, Rouge, Shadow and Sonic separate. Sonic's mission is to find Eggman and keep him busy while the others find out what he's doing.
====Levels====
Level 	Objective
The Hanger 	Destroy the robots!
Upper Level 	Find Eggman!
Boss Battle:Egg Enforcer	Defeat Eggman!
====Result====
After finding Eggman and fighting his new weapon to a standstill, Sonic attempts to deliver the final blow to the Enforcer. However, Eggman uses an Tesla attack to blast Sonic away. He goads sonic, saying that his new machine is untouchable and could obliterate Sonic before he even thought about attacking it. Sonic smiles, saying that he's glad the fight isn't going to be easy. Sonic dodges one of the Enforcer's laser blasts and jumps up to attack it as Sonic's story comes to a close.
==Shadow's Story==
===Act 1:Coldreach===
====Premise====
A meteorite falls from the sky and lands on Coldreach. Knowing that a Chaos Emerald is planted there, Shadow goes to check it out.
====Levels====
Level 	Objective
The Coast 	Access the Caverns!
The Caverns 	Reach the pool of water!
Boss Battle:Silver the Hedgehog	Defeat Silver
====Result====
Shadow arrives at the deep pool of water where he hid the Chaos Emerald. However, before he can check it out, Silver arrives and attacks him. After a long battle, Silver manages to slam Shadow against the wall and is about to kill him outright when Omega jumps out of the pool and rips Silver away, telling him that Shadow is a friend. Silver's mood suddenly changes and he says he's sorry for nearly killing Shadow, as he mistook him for someone else. Before Shadow can inquire further, Omega states that the Chaos Emeralds are needed urgently and only Sonic and Shadow know their location. Shadow decides the group should split up and look for the emeralds and reveals their locations to the group. They then split up and look for them.
===Act 2:Crystal Caverns===
====Premise====
Shadow goes to Crystal Caverns to retrieve the emerald there before Eggman does.
====Levels====
Level 	Objective
Overground 	Find the entrance!
Abandoned Mine 	Escape the robots!
Untouched Caverns	Get to the Emerald!
====Result====
Shadow finds the Chaos Emerald, but before he can do anything an Egg Robot with some kind of gun fires at him. Shadow avoids the blasts and destroys the robot, but the blasts home in on him and he's teleported into the far future.
===Act 3:Future's Fall===
====Premise====
Shadow appears in the far future. He is about to use his Chaos Emerald to Chaos Control back to the present, when he discovers he dosn't have it. Soon after, Rouge and Omega appear nearby. Before he can ask why they're here, one of the robots bombarding the city flies down and attacks the group. Omega says he'll handle the robot, giving the rest of Team Dark time to escape.
====Levels====
Level 	Objective
Lethal Highway 	Escape the robots!
Power Plant 	Find the time machine!
Boss Battle:X-0 New Omega	Defeat Omega!
====Result====
After reasoning that Silver must have got to their time somehow, Shadow and Rouge scour the city for a time machine. However, when they find it, Omega is already there and enhanced by some unusual technology and dosen't recognize them. He attacks his fellow Team Dark members, but Shadow and Rouge combined prove too much for him. After being defeated, the enhancements melt into some kind of liquid, leaving Omega in his normal form. Omega reveals that his memory drive has been fixed, but before he can expand further the group are attacked by a robot and are forced to go through the portal.
===Act 4:Angel Island===
====Premise====
Arriving back in the present, Shadow discovers that the rest of Team Dark were warped to different locations. Smashing a rock with a Chaos Spear in frustration, Shadow unwittingly attracts the attention of Eggman's Robots, who have taken over the island. Shadow decides to eliminate them.
====Levels====
Level 	Objective
Forest 	Defeat the robots!
Ruins Exterior	Defeat the robots!
Ruins Interior	Follow Metal Sonic!
====Result====
Shadow discovers that Metal Sonic has arrived on the island and tracks him to the ruins. He manages to catch up with him, but discovers Chaotix have beaten him too it and defeated him.Then, unexpectedly, Metal Sonic gets up, grabs Shadow, and flies into space.
===Act 5:Space Colony ARK===
====Premise====
Hurtling through Earth's atmosphere, Metal Sonic slams Shadow into the side of the ARK, although the artificial atmosphere stops him from suffocating in space. Metal Sonic pummels Shadow, but Shadow uses Chaos Blast to knock Metal away and allowing him to enter the ARK. After stopping a moment to catch his breath, he decides to look for Metal and bring him in.
====Levels====
Level 	Objective
Final Rush 	Escape the Egg Cruiser!
Crazy Gadget 	Find Metal Sonic!
Boss Battle:Metal Sonic	Defeat Metal Sonic!
====Result====
After defeating Metal Sonic, Shadow uses Crazy Gadget's systems to repair the robot's memory, assuming that if the Chaotix were after it it must have some kind of value. Soon afterwards, Sonic arrives and Shadow explains what he's doing. After uploading the robot's memory to the ARK's computer system, Shadow discovers Eggman is operating in the crater he made in the moon using the Eclipse Cannon. When Sonic asks how they'll get there, Rouge walks in with a Chaos Emerald, saying Shadow can Chaos Control them over. Although confused about how Rouge ended up on the ARK in the first place, he agrees and he warps the three over to Eggman's base.
===Act 6:Egg Crater===
====Premise====
After teleporting into Eggman's base, Sonic goes to fight Eggman while Shadow and Rouge go to find out what the doctor is up too.
====Levels====
Level 	Objective
The Hanger 	Escape the hanger!
Maintenance Level	Destroy the robots!
Upper Level 	Reach the lab!
====Result====
Shadow gets to the lab, only to discover Rouge is already there. Both of them walk over to a large pool of opaque, yellow liquid in the center of the room. Rouge gets out her Chaos Emerald and moves it into the pool, making the liquid slide away. Both look at each other in confusion as Shadow's story ends.
==Amy's Story==
===Act 1:Angel Island===
====Premise====
In her eternal quest to get Sonic to marry her, Amy has tracked Sonic to Angel Island...at exactly the wrong time.
====Levels====
Level 	Objective
Forest 	Find Sonic!
Ruins Interior	Escape the ruins!
Ruins Exterior	Find Knuckles!
====Result====
After finding Knuckles, Amy asks where Sonic is. Shocked that Amy is still looking for Sonic despite the attack and Tail's capture, Knuckles points in a random direction. Amy thanks him and runs off.
===Act 2:Iravia===
====Premise====
Following Knuckles' directions, Amy arrives in Iravia looking for Sonic...in the middle of a Badnik attack
====Levels====
Level 	Objective
The Subway 	Escape the Egg Trains!
The City 	Find Sonic!
Boss Battle:Sonic the Hedgehog	Catch Sonic.
====Result====
Amy manages to catch Sonic, who agrees to marry her if she finds the Chaos Emerald in Coldreach. She gladly accepts.
===Act 3:Coldreach===
====Premise====
With the chance of Sonic marrying her in sight, Amy goes to Coldreach to retrieve the Chaos Emerald.
====Levels====
Level 	Objective
The Coast 	Escape the robots!
The Mountain	Get over the mountain!
The Caverns 	Find the Emerald!
====Result====
Amy arrives at the location Sonic gave her to find that there is nothing there. She decides to go find Sonic and tell him what happened, seeing he never bothered to give her his phone number for some reason...
===Act 4:Crystal Caverns===
====Premise====
Looking for Sonic after failing to find the Chaos Emerald on Coldreach, Amy goes looking for Sonic to tell him what happened. Worrying about what Sonic is going to say, she dosn't notice a large hole in the ground, sending her tumbling into the mines. She attempts to find a way out.
====Levels====
Level 	Objective
Abandoned Mines 	Find a way out!
Untouched Caverns	Defeat the robots!
Overground 	Destroy the Egg Cruiser!
====Result====
After escaping the mine, Amy discovers Eggman's robots are hauling a Chaos Emerald out of the mine. After damaging the Egg Cruiser, she keeps pursuing it.
===Act 5:Blue Coast===
====Premise====
Amy arrives in Blue Coast following the Egg Cruiser, hoping to find a way on board.
====Levels====
Level 	Objective
The Coast 	Chase the Egg Cruiser!
The Bay 	Get into the Egg Cruiser!
Boss Battle:Chaotix Detective Agency	Defeat Chaotix!
====Result====
After boarding the Egg Cruiser, Amy discovers the Chaotix at the helm of the ship and attacks them. After defeating Vector and Charmy, Espio tells her they were trying to hack the ship and go into space, as they were trying to follow Metal Sonic but he went into space. Amy says sorry and decides to help the detectives capture Metal Sonic. Vector gets up and tells Espio to set course for Space Colony Ark, as that is where Metal Sonic seemingly went.
===Act 6:Space Colony ARK===
====Premise====
After arriving at the ARK, Amy and the Chaotix split up to find Metal Sonic
====Levels====
Level 	Objective
Final Rush 	Get inside the ARK!
Crazy Gadget 	Find Metal Sonic!
Boss Battle:Metal Sonic	Defeat Metal Sonic!
====Result====
After finding Metal Sonic in Crazy Gadget, Amy defeats the robot and takes it to Chaotix, who seem to be fighting Omega. Amy stops the fight, saying they all have the same objective. Omega takes Metal Sonic away from Amy and scans it. He then states that he understands what Eggman is up too and flies out off the window towards the Moon. Vector picks up Metal Sonic and says that they've captured their objective and can go back to Earth. However, Amy says that Eggman is up to something, and she's not leaving Sonic alone while he is. She runs off and gets on board the Egg Cruiser stolen from Blue Coast, forcing Chaotix to follow. The group set course for Eggman's base and the story ends.
==Omega's Story==
===Prologue: Egg Crater===
====Premise====
Aboard Eggman's new base on the moon, Omega has managed to enter and is looking for a data terminal (although why is yet to be explained).
====Levels====
Level 	Objective
Maintenance Level	Find the Data Terminal!
====Result====
After defeating Metal Sonic, Omega retrieves the data he needs. However, Metal isn't done yet and throws him into a wall. Eggman's voice comes on over the PA, stating that he no longer has a use for either of them as he reveals the room they're in is an airlock. He then ejects both Omega and Metal out into space. Omega's armor burns up in the atmosphere before he shuts down.
===Act 1:Coldreach===
====Premise====
Crashing in Coldreach with no memory of what he stole from the data terminal, Omega is surprised to find an overwhelming declarative in his systems:find the Chaos Emeralds. He decides to follow his systems.
====Levels====
Level 	Objective
The Mountain	Escape Eggman's robots!
The Coast 	Access the Caverns!
The Caverns 	find the Chaos Emeralds
====Result====
After retrieving the Chaos Emerald from the bottom of an extremely deep pool, Omega jumps out of the pool to find Silver about to kill Shadow. Stopping the fight, Silver apologizes and Omega states his objective to the hedgehogs. Shadow reveals the location of 3 of the emeralds and the group split up to find them.
===Act 2:Blue Coast===
====Premise====
Omega goes to find the Chaos Emerald in Blue Coast.
====Levels====
Level 	Objective
The Coast 	Locate the Emerald!
The Bay 	Get into the City!
Underwater City	Find the Emerald!
====Result====
Omega gets to the Emerald only to see Rouge doing the same thing. As they're both so focused on each other, they don't notice the robots who successfully send them hurtling into the future.
===Act 3:Future's Fall===
====Premise====
After being warped into the future, Omega discovers that neither him nor Rouge have their Chaos Emeralds. They then see Shadow running up to them, but are attacked by a robot before he can say anything. Omega fights the robot, giving enough time for his fellow Team Dark members to escape.
====Levels====
Level 	Objective
Lethal Highway 	Defeat the robots!
Rooftop Run 	Find the others!
Boss Battle:Bishop	Defeat Bishop!
====Result====
After battiling his way through tonnes of robots, Omega is finally defeated and shut down. He then awakes to discover some kind of liquid leaking out of him and Shadow and Rouge standing over him. He also discovers that his memory banks are fixed and he can remember what he discovered in the Egg Crater. However, before he can tell his fellow Team Dark members they are attacked by a robot and forced to enter the portal behind them.
===Act 4:Sandstorm Desert===
====Premise====
Returning to his time, Omega discovers he's been split up from the rest of Team Dark. However, he finally knows what Eggman is planning and decides to head up into space. However, his repair job in the future hadn't manage to fix his rockets, and he decides to go look for somewhere to get new ones.
====Levels====
Level 	Objective
The Ruins 	Escape the ruins!
The Canyon	Destroy Eggman's Robots!
The Desert	Reach the city!
====Result====
Omega escapes Eggman's robots and heads towards Iravia.
===Act 5:Iravia===
====Premise====
Omega arrives in Iravia, hoping to reach the university who can fix his gear.
====Levels====
Level 	Objective
The Green Fields	Reach the city!
The City! 	Destroy the robots!
The Subway 	Get to the university!
====Result====
After terrifying the university into repairing his rockets, Omega exits the university to find Blaze and Knuckles. Knuckles asks why Omega is here, and the robot tells him that he's about to head into space. Blaze asks how they can help, to which Omega replies that they can use the Master Emerald to teleport to Eggman's base on the moon. However, Knuckles tells Omega that neither of them can use Chaos Control. Checking the data he stole from the Egg Crater, Omega tells both of them that there's a rocket launch site in Deep Jungle before flying into space.
===Act 6:Space Colony ARK===
====Premise====
Omega detects Metal Sonic on Space Colony ARK. He flies to the ARK in the hope of retrieving the robot, requiring additional information about Eggman's plan.
====Levels====
Level 	Objective
Final Rush 	Enter the ARK!
Cannon's Core 	Find Metal Sonic!
Boss Battle:Chaotix Detective Agency	Defeat Chaotix!
====Result====
Omega find Chaotix inside the ARK, who are also looking for Metal Sonic. As they fight, Amy arrives with Metal Sonic and stops the battle. Omega scans Metal Sonic for information, finally confirming Eggman's plan, before flying out of the window towards Eggman's base.
==Knuckles' Story==
===Act 1:Angel Island===
====Premise====
Continuing where the Sonic prologue left off, Knuckles falls through the Angel Island ruins and decides to go find the Master Emerald and escape while he still can.
====Levels====
Level 	Objective
Ruins Interior	Escape the ruins!
Jungle 	Destroy Eggman's robots!
Ruins Exterior	Find the Master Emerald!
====Result====
After pointing Amy in a random direction for Sonic's safety and retrieving the Master Emerald, Knuckles goes in the direction that Sonic actually went in, hoping it will lead him to a Chaos Emerald.
===Act 2:Sandstorm Desert===
====Premise====
Knuckles arrives in Sandstorm Desert. He finds Sonic's footprints in the sand and decides to follow them, hoping to find the emerald.
====Levels====
Level 	Objective
The Desert 	Follow the Footprints!
The Ruins 	Get to the Emerald!
Boss Battle:Silver the Hedgehog	Defeat Silver!
====Result====
Knuckles finds the Emerald, but Silver has gotten there first and retrieves it. Knuckles attacks Silver and comes close to defeating him. Silver attempts to use the Chaos Emerald to lock Knuckles in Chaos Control, but Knuckles negates it with the Master Emerald. After the two fight, an Egg Robot walks in with some kind of gun and try to shoot Silver and Knuckles. Silver uses Chaos Control to warp the two heroes out of the desert and into space.
===Act 3:Space Colony ARK===
====Premise====
Knuckles is surprised to find that Silver has warped both of them onto the Space Colony ARK. Silver apologies for the choice of location, saying that he told the Emeralds to teleport them too "the safest place possible", which just so happened to be Earth's orbit. Silver says that he's Eggman's enemy too and was sent to help by Shadow. However, before he can explain further one of the ships of the Egg Fleet arrives and starts sending robots to attack the ARK. Knuckles and Silver split up too defend it.
====Levels====
Level 	Objective
Cannon's Core 	Defeat the robots!
Crazy Gadget 	Deactivate the Eclipse Cannon!
Boss Battle:Blaze the Cat	Defeat Blaze!
====Result====
Knuckles succeeds in shutting down the Eclipse Cannon, but is attacked by Blaze before he can do anything else. Silver intervenes before the fight can get worse, stating that they're all on the same side. Silver tells the others that Shadow needs to get the Chaos Emeralds, but before he can say anything else, a robot with a gun similar to the one in Sandstorm Desert walks in. Blaze concludes that is must be after the Chaos Emeralds. However, Silver points out that if they were after the Chaos Emeralds they'd be two robots and not one. Knuckles realizes that the robots don't recognize the Master Emerald as a Chaos Emerald due to the opposite energies. Knuckles takes Silver's Emerald and gives him the Master Emerald, stating that he'll keep the robot busy. Reluctantly, Silver Chaos Controls him and Blaze back to Earth. Knuckles attacks the robot, but it shoots him into the future before he can do anything.
===Act 4:Future's Fall===
====Premise====
After being sent to the future, Knuckles discovers he doesn't have his Chaos Emerald anymore. After finding Sonic in the same predicament, Knuckles remembers that Silver arrived in their time period, and must have done so with some kind of time machine. The two rivals set out to find it.
====Levels====
Level 	Objective
Rooftop Run 	Escape the robots!
Power Plant 	Find the time machine!
Boss Battle:Bishop	Defeat Bishop!
====Result====
After defeating Bishop, Sonic points out that the robot looks similar to Neo Metal Sonic. Knuckles sees the resemblance, but points out that they have to get back to their own time. Sonic agrees and they both go through the time machine.
===Act 5:Iravia===
====Premise====
Knuckles appears in Iravia, discovering that him and Sonic have been separated. Lacking anything to do, he decides to destroy a few robots and see what happens.
====Levels====
Level 	Objective
The Subway 	Destroy the Egg Trains!
The Green Fields	Destroy the supply lines!
The City 	Get to the city center!
====Result====
After exiting the subway, Knuckles discovers Blaze is also in the city, and the two manage to fight their way to the city center where they see Omega exiting the university. Knuckles asks why Omega is here, and the robot tells him that he's about to head into space. Blaze asks how they can help, to which Omega replies that they can use the Master Emerald to teleport to Eggman's base, which is in the crater he made in the moon with the Eclipse Cannon. However, Knuckles tells Omega that neither of them can use Chaos Control. Omega tells both of them that there's a rocket launch site in Deep Jungle before flying off. Blaze and Knuckles decide they have no other option and go to Deep Jungle.
===Act 6:Deep Jungle===
====Premise====
Knuckles and Blaze arrive in Deep Jungle to take the launch pad.
====Levels====
Level 	Objective
The Undergrowth	Destroy the robots!
Jungle Temple 	Get to the launch site!
Launch Site 	Take the rocket!
====Result====
Although Blaze is waylaid by Egghunter, Knuckles manages to take a rocket. The two board it and head up into space towards the final battle.
==Blaze's Story==
===Act 1:Future's Fall===
====Premise====
While guarding the Sol Emeralds, Blaze is surprised to see Eggman Nega crawl from a portal to Silver's time, mumbling something about a robot invasion. Blaze leaves to investigate, although not without taking Nega back to his own time and tying him up
====Levels====
Level 	Objective
The Power Plant 	Escape the Power Plant!
Rooftop Run 	Find the time machine!
Boss Battle:Bishop	Defeat Bishop!
====Result====
Examining the robot she just defeated, Blaze realizes it resembles someone, although she dosn't know who. She then goes through the time machine into Sonic's time period.
===Act 2:Egg Crater===
====Premise====
Blaze enters the present only to find herself in a control room in Eggman's base. She destroys the robots before they can attack her, but accidentally disables the holding cells and sets off the alarm. she decides it's time to get out.
====Levels====
Level 	Objective
Maintenance Level	Find a way out!
Upper Level 	Get through Eggman's lab!
Hanger 	Find a ship!
====Result====
After accidentally destroying one of the ships in Eggman's fleet, Blaze finds a shuttle and manages to escape from the complex.
===Act 3:Space Colony ARK===
====Premise====
Before Blaze can get far, the shuttle runs out of fuel, forcing her to crash into Space Colony ARK and find another way back to earth
====Levels====
Level 	Objective
Final Rush 	Enter the ARK!
Crazy Gadget 	Find a way off the ARK!
Boss Battle:Knuckles the Echidna	Defeat Knuckles!
====Result====
Blaze sees Knuckles at the control room in Crazy Gadget and assumes he's hacking it, so she attacks him.However, Silver intervenes before the fight can get worse, stating that they're all on the same side. Silver tells the others that Shadow needs to get the Chaos Emeralds, but before he can say anything else, a robot with a gun walks in which Knuckles and Silver seem to recognize. Blaze concludes that is must be after the Chaos Emeralds. However, Silver points out that if they were after the Chaos Emeralds they'd be two robots and not one. Knuckles realizes that the robots don't recognize the Master Emerald as a Chaos Emerald due to the opposite energies. Knuckles takes Silver's Emerald and gives him the Master Emerald, stating that he'll keep the robot busy. Reluctantly, Silver Chaos Controls him and Blaze back to Earth.
===Act 4:Blue Coast===
====Premise====
After warping back to Earth, Silver tells Blaze about his objective: Shadow and Omega need the Chaos Emeralds. However, when Blaze asks why Silver says he doesn't know, but he trusts Shadow after he saved his future from Ifrit. Noticing Eggman's invasion in the area, they decide to defeat the robots and see if they have any information about Eggman's plans.
====Levels====
Level 	Objective
Underwater City	Defeat the robots!
The Bay 	Help the civilians!
The Coast 	Destroy the Egg Cruiser!
====Result====
After crashing the Egg Cruiser into the sea, Blaze swims back to shore as Silver pulls out the engine core using his telekinesis. Blaze reveals that the ship's computer mentioned a launch pad being made at Deep Jungle that should be able to lead them to Eggman's base. However, Blaze says that Eggman wants them to take the Master Emerald too him as the robots can't get it themselves, so she decides to stay on Earth with the Emerald and fight Eggman's invading forces. Silver agrees, and as he goes to Deep Jungle, Blaze leaves to find more robots to destroy.
===Act 5:Iravia===
====Premise====
Blaze arrives in Iravia and sets out to destroy the robots overrunning the city.
====Levels====
Level 	Objective
The Subway 	Destroy the robots!
The Green Fields	Destroy the Egg Cruiser!
The City 	Get to the University!
====Result====
After exiting the subway, Blaze discovers Knuckles is also in the city, and the two manage to fight their way to the city center where they see Omega exiting the university. Knuckles asks why Omega is here, and the robot tells him that he's about to head into space. Blaze asks how they can help, to which Omega replies that they can use the Master Emerald to teleport to Eggman's base. However, Knuckles tells Omega that neither of them can use Chaos Control. Omega reminds them of the launch site in Deep Jungle before flying off. Blaze and Knuckles decide they have no other option and go to Deep Jungle.
===Act 6:Deep Jungle===
====Premise====
Blaze and Knuckles arrive at Deep Jungle to take the launch site.
====Levels====
Level 	Objective
The Undergrowth 	Destroy the robots!
Launch Site 	Destroy the robots!
Boss Battle:Egghunter	Destroy Egghunter!
====Result====
With the sniper robot finally destroyed, Blaze boards the rocket and her and Knuckles go into space.
==Silver's Story==
===Prologue:Future's Fall===
====Premise====
As the Sonic of the future, Silver arrives in the city of the future to defeat Eggman Nega, who has set up shop planning something new.
====Levels====
Level 	Objective
Rooftop Run	Defeat Eggman Nega's forces!
====Result====
Silver defeats Nega, who was building a time machine. However, the machine activates and an army of robots flies into the city, destroying everything in their path. After nearly being bested by the machines, Silver goes back in time to try and stop them.
===Act 1:Coldreach===
====Premise====
Arriving in the past, Silver goes looking for whatever might have spawned the robots.
====Levels====
Level 	Objective
The Mountain 	Find where the robots came from!
The Caverns 	Escape the Caverns!
Boss Battle:Shadow the Hedgehog	Defeat Shadow!
====Result====
Arriving at a pool of water, Silver discovers one of the robots who attacked his home. He nearly destroys it before Omega intervenes and reveals that the robot is actually Shadow the Hedgehog. Silver apologies, but before he can explain why he attacked Shadow, Omega states that the Chaos Emeralds need to be retrieved. Shadow reveals their location to the group and they split up.
===Act 2:Sandstorm Desert===
====Premise====
Directed by Shadow to the desert, Silver goes looking for the Chaos Emerald
====Levels====
Level 	Objective
The Canyon 	Get to the ruins!
The Ruins 	Find the Emerald!
Boss Battle:Knuckles the Echidna	Defeat Knuckles!
====Result====
Silver gets the Emerald, but Knuckles arrives and attacks him, negating his use of Chaos powers using the Master Emerald. However, as Knuckles starts to gain the upper hand, a robot arrives with weaponry Silver recognizes from Eggman Nega's armory:a gun with the power to teleport you through time. Without thinking, Silver uses Chaos Control, telling the Emerald he wants to go to "the safest place possible". Thus, both Knuckles and Silver are warped into space.
===Act 3:Space Colony ARK===
====Premise====
After teleporting to the safest place possible, Silver is shocked to realize that him and Knuckles are in space. With Knuckles looking set too attack him again, Silver says that he's Eggman's enemy too and was sent to help by Shadow. However, before he can explain further one of the ships of the Egg Fleet arrives and starts sending robots to attack the ARK. Knuckles and Silver split up too defend it.
====Levels====
Level 	Objective
Cannon's Core	Defeat the robots!
Final Rush 	Destroy the ship!
Crazy Gadget 	Find Knuckles!
====Result====
Silver arrives in Crazy Gadget to find Knuckles fighting with Blaze the Cat. Silver stops the fight, saying they're all on the same side. He tells the others that Shadow needs to get the Chaos Emeralds, but before he can say anything else, a robot with a gun similar to the one in Sandstorm Desert walks in. Blaze concludes that is must be after the Chaos Emeralds. However, Silver points out that if they were after the Chaos Emeralds they'd be two robots and not one. Knuckles realizes that the robots don't recognize the Master Emerald as a Chaos Emerald due to the opposite energies. Knuckles takes Silver's Emerald and gives him the Master Emerald, stating that he'll keep the robot busy. Reluctantly, Silver Chaos Controls him and Blaze back to Earth.
===Act 4:Blue Coast===
====Premise====
After warping back to Earth, Silver tells Blaze about his objective: Shadow and Omega need the Chaos Emeralds. However, when Blaze asks why Silver says he doesn't know, but he trusts Shadow after he saved his future from Ifrit. Noticing Eggman's invasion in the area, they decide to defeat the robots and see if they have any information about Eggman's plans.
====Levels====
Level 	Objective
Underwater City	Find a way out of the city!
The Coast 	Destroy the robots!
The Bay 	Defend against the Egg Cruiser!
====Result====
Silver sees the Egg Cruiser crash into the sea only to find Blaze swimming back from it. Too make sure it isn't any use to Eggman, Silver uses his telekinesis to immobilize the engine.Blaze reveals that the ship's computer mentioned a launch pad being made at Deep Jungle that should be able to lead them to Eggman's base. However, Blaze says that Eggman wants them to take the Master Emerald too him as the robots can't get it themselves, so she decides to stay on Earth with the Emerald and fight Eggman's invading forces. Silver agrees, and leaves to Deep Jungle.
===Act 5:Deep Jungle===
====Premise====
Silver arrives in Deep Jungle looking for the launch site.
====Levels====
Level 	Objective
Undergrowth 	Find the launch site!
Launch Site 	Board the rocket!
Boss Battle:Egghunter	Defeat Egghunter!
====Result====
Silver arrives at the launch site to find that Tails is also trying to get on board the rocket. However, before they can get to the rocket they are seen and pinned down by Egghunter. Silver manages to get on board the rocket, but Tails is shot by one of the time-travel guns. Silver hides before any of the robots realize where he's gone.
===Act 6:Egg Crater===
====Premise====
Silver manages to get into Eggman's base and sets out to damage it as much as possible.
====Levels====
Level 	Objective
Hanger 	Escape the hanger!
Maintenance Level	Destroy the machines!
Upper Level 	Destroy the robots!
====Result====
After destroying security on the upper level, Silver finds a time machine that looks staggeringly similar to the one he used to arrive in the present. Remember Tails getting shot back at the launch site, he goes through to look for him. However, this is easier than expected as Tails is already at the time machine and examining one of the robots. He finally concludes that he knows what Eggman is up too and goes through the portal. Confused, Silver follows him and his story comes to a close.
==Tails' Story==
===Act 1:Angel Island===
====Premise====
After being captured by the Egg Cruiser, Tails manages to escape through unknown intervention, sending both him and the Master Emerald crashing down to the Island. Tails sets out to find the emerald.
====Levels====
Level 	Objective
The Jungle 	Enter the ruins!
Ruins Interior	Evade Eggman's robots!
Ruins Exterior	Find the Master Emerald
====Result====
Nearing the Master Emerald, Tails notices Amy and Knuckles talking with the Emerald in hand. As the Egg Cruiser nears them, Tails uses energy signatures similar to that of the emerald to draw the cruiser away and capture him, buying Knuckles enough time to get out with the emerald.
===Act 2:Egg Crater===
====Premise====
After being captured by Eggman, Tails manages to break out thanks to outside sources. He then sets out to find out what Eggman is up too.
====Levels====
Level 	Objective
Maintenance Level 	Find Eggman's lab!
Upper Level 	Find out what Eggman's up too!
Boss Battle:Egg Enforcer	Defeat Eggman!
====Result====
Tails manages to get through to Eggman's lab, discovering a pool of some kind of opaque, yellow liquid. Just then, Eggman arrives in the Enforcer, which uses it's cannons to shoot Tails through down into the hanger. After a battle on one of the Egg Fleet's ships, Eggman gains the upper hand, but soon afterward the ship unexpectedly explodes. Tails manages to hack into one of the shuttles in the fleet, which saves him and flies him back to Earth.
===Act 3:Iravia===
====Premise====
Tails lands outside Iravia and, seeing the city is under attack, decides to help the inhabitants deal with Egg Robot infestation.
====Levels====
Level 	Objective
The Green Fields	Defeat the robots!
The City 	Defeat the robots!
The Subway 	Destroy the Egg Trains!
====Result====
After destroying one of the Egg Trains controlling the subway, Tails finds that it contains one of the Chaos Emeralds. He decides to get out of the city before Eggman's robots reinforce and find the Emerald.
===Act 4:Crystal Caverns===
====Premise====
Tails finds a secret entrance into Crystal Caverns, hoping it will give him cover from Eggman's forces. However, Eggman is already there, so Tails decides to find out what they're up too.
====Levels====
Level 	Objective
Untouched Caverns 	Escape the robots!
Abandoned Mine 	Destroy the robots!
Boss Battle:Rouge the Bat	Defeat Rouge!
====Result====
After destroying the robots in the mine, Tails discovers Rouge the Bat and tells her what happened. However, he makes the mistake of showing Rouge the Chaos Emerald, which makes Rouge attack him. Rouge manages to steal the Emerald off him, but Tails corners her with hacked robots. However, she manages to Chaos Control away, leaving Tails alone. He looks through the robots systems and discovers that Eggman has built a shuttle launch site in Deep Jungle which will get him back to his base, although this time undiscovered. Tails heads to Deep Jungle to check it out.
===Act 5:Deep Jungle===
====Premise====
Tails goes looking for the launch site
====Levels====
Level 	Objective
Jungle Temple 	Escape the temple!
Launch Site 	Reach the rocket!
Boss Battle:Egghunter	Defeat Egghunter!
====Result====
After reaching the launch site, Tails discovers Silver is also trying to reach the rocket. After defeating Egghunter, Silver manages to reach the rocket but Tails is shot and catapulted into the future.
===Act 6:Future's Fall===
====Premise====
After being sent into the future, Tails concludes Silver must have arrived in his time somehow and so goes looking for the time machine that sent him there.
====Levels====
Level 	Objective
Rooftop Run 	Avoid the robots!
Power Plant 	Find the power plant!
Boss Battle:Bishop	Defeat Bishop!
====Result====
After defeating Bishop, Tails exams the robot's systems. Remembering the pool back at Eggman's base, Tails concludes that he knows what Eggman is up too, just as Silver comes through the time machine's portal. Tails tells Silver that he knows what to do and returns to the present, ending his story.
==Rouge's Story==
===Act 1:Deep Jungle===
====Premise====
After months of searching, Rouge has tracked a Chaos Emerald to Deep Jungle. However, Eggman has move to obtain it, which is never a good sign.
====Levels====
Level 	Objective
Undergrowth 	Reach the temple!
Jungle Temple. 	Find the Emerald!
Boss Battle:Egghunter	Defeat Egghunter
====Result====
Rouge manages to capture the Emerald and sees Eggman's robots moving towards Blue Coast. She decides to follow.
===Act 2:Blue Coast===
====Premise====
Following the robots, Rouge decides to get ahead of them and see if there's an Emerald anywhere.
====Levels====
Level 	Objective
The Coast 	Follow the robots!
The Bay 	Defeat the robots!
Underwater City.	Find the Emerald.
====Result====
Rouge manages to reach the Emerald when Omega arrives, telling her he needs the Emeralds as well. Rouge grabs the Emerald, but it unprepared for two Egg Robots too shoot her and Omega into the future.
===Act 3:Future's Fall===
====Premise====
After being warped into the future, Rouge discovers that neither her nor Omega have their Chaos Emeralds. They then see Shadow running up to them, but are attacked by a robot before he can say anything. Omega fights the robot, giving enough time for Rouge and Shadow to escape.
====Levels====
Level 	Objective
Lethal Highway 	Escape the robots!
Power Plant 	Find the time machine!
Boss Battle:X-0 New Omega	Defeat Omega!
====Result====
After escaping the robots, Shadow reveals that Silver has managed to arrive in their time from here. Reasoning that he must have had a time machine to do it, Shadow and Rouge go look for it. However, when they find it, Omega is already there and enhanced by some unusual technology and dosn't recognize them. He attacks his fellow Team Dark members, but Shadow and Rouge combined prove too much for him. After being defeated, the enhancements melt into some kind of liquid, leaving Omega in his normal form. Omega reveals that his memory drive has been fixed, but before he can expand further the group are attacked by a robot and are forced to go through the portal.
===Act 4:Crystal Caverns===
====Premise====
After returning to the present, Rouge discovers that she's been split up from Team Dark. She sets out to find them.
====Levels====
Level 	Objective
Overground 	Enter the mines!
Abandoned Mine 	Defeat the robots!
Boss Battle:Miles "Tails" Power	Defeat Tails!
====Result====
Rouge finds Tails in the mines, who tells her about a strange liquid in Eggman's base and shows her a Chaos Emerald. Enticed by the Emerald, Rouge unthinkingly attacks Tails and steals it. However, Tails corners her with hacked robots. As a last ditch attempt, Rouge tries to use Chaos Control, and too her surprise warps into space.
===Act 5:Space Colony ARK===
====Premise====
After somehow using Chaos Control, Rouge slumps down against the wall, exhausted. Then she looks out of the window behind her to find she's on the ARK and that Eggman's forces are invading. She decides that she can't stop now and goes to fight the robots.
====Levels====
Level 	Objective
Cannon's Core	Escape the robots!
Final Rush 	Escape the Egg Cruiser!
Crazy Gadget 	Find the central computer!
====Result====
Trying to find the central computer of the ARK's systems, Rouge overhears a conversation between Sonic and Shadow. Shadow says that Eggman's base is in the crater on the moon left there by the Eclipse Cannon, and Sonic asks how they can reach it. Rouge reveals herself, showing them her Chaos Emerald and saying Shadow can teleport them into the base. She is also slightly surprised to see they have Metal Sonic with them. Shadow agrees to the plan and takes the Emerald, teleporting them too the Egg Crater.
===Act 6:Egg Crater===
====Premise====
Teleporting to Eggman's base, The team split up: Sonic goes to find Eggman, while Shadow and Rouge go to find out what he's up too.
====Levels====
Level 	Objective
The Hanger 	Escape the hanger!
Maintenance level	Destroy the machines!
Upper Level 	Find the lab!
====Result====
After scaring Orbot and Cubot away, Rouge enters the lab to find a pool of opaque, yellow liquid just as Shadow arrives. Rouge tries to touch the liquid with the Chaos Emerald, only for it to pull back. Rouge and Shadow look at each other in confusion as her story comes to a close.
==Chatoix' Story==
===Act 1:Sandstorm Desert===
====Premise====
After being given a mission to find Metal Sonic, Chaotix track the robot's energy signiture to Sandstrom Desert.
====Levels====
Level 	Objective
The Canyon 	Locate Metal Sonic!
The Ruins 	Survive the ruins!
Boss Battle:Metal Sonic	Defeat Metal Sonic!
====Result====
After barely surviving the ruin's traps, Chaotix find Metal Sonic standingg over Sonic's body. After defeating Metal, Vector checks if Sonic is still breathing, and much to his relief he is. Espio finds that Metal Sonic has had severe damge to his memory core, which could hold valuble information about Eggman's plans. Reluctant to leave Sonic unconscious, Vector leaves a note telling him to come to Iravia. They then head off in the direction of said city.
===Act 2:Iravia===
====Premise====
Vector has a contact in Iravia University who can help him fix Metal Sonic. They head off in the direction of the city to find it under attack.
====Levels====
Level 	Objective
The Green Fields 	Reach the city!
The City 	Reach the University!
Boss Battle:Egghunter	Defeat Egghunter
====Result====
Chaotix repair the memory core, but before they can extract anything useful Metal Sonic escapes the University. Chaotix try to persue him, but are pinned down by Egghunter. After defeating the sniper robot, Vector states that he placed a tracker in the memory core and that Metal Sonic is heading towards Deep Jungle. They decide to follow.
===Act 3:Deep Jungle===
====Premise====
Chaotix manage to follow Metal Sonic to Deep Jungle.
====Levels====
Level 	Objective
Undergrowth 	Find Metal Sonic!
Building Site	Escape the robots!
Jungle Temple	Avoid the traps!
====Result====
Although they find Metal Sonic, Chaotix end up being chased by a large arsenal of robots and end up trapped in an ancient temple. They manage to escape, but Metal Sonic has escaped to Angel Island. They continue their chase.
===Act 4:Angel Island===
====Premise====
Chaotix continue their search for Metal Sonic
====Levels====
Level 	Objective
Forest 	Get to the ruins!
Ruins Interior 	Find Metal Sonic!
Boss Battle:Metal Sonic	Defeat Metal Sonic!
====Result====
Chaotix defeat Metal Sonic just as Shadow turns up. Metal Sonic then unexpectedly grabs Shadow and flies into space. Espio is stumped by how they're going to follow him now, but Charmy points out that if Eggman must have some kind of spaceship, otherwise Metal Sonic wouldn't have fallen from space back in the desert. Vector agrees and the group go looking for a spaceship.
===Act 5:Blue Coast===
====Premise====
After reaching Blue Coast, Charmy sees an Egg Cruiser heading their way. The detectives decide to try and get on board
====Levels====
Level 	Objective
The Bay 	Reach the cruiser!
The Coast 	Get inside the cruiser!
Boss Battle:Amy Rose	Defeat Amy!
====Result====
Espio is hacking the Egg Cruiser's systems when Amy unexpectedly attacks them. After defeating Vector and Charmy, Espio tells her that they're looking for Metal Sonic and have hijacked the ship for their own purposes, after which Amy backs down. Vector gets up, and tells the group that Metal Sonic is currently on the Space Colony ARK, so the cruiser goes there.
===Act 6:Space Colony ARK===
====Premise====
After reaching the ARK, Chaotix and Amy split up to find Metal Sonic.
====Levels====
Level 	Objective
Final Rush 	Enter the ARK!
Cannon's Core 	Find Metal Sonic!
Boss Battle:E-123 Omega	Defeat Omega!
====Result====
Chaotix sees Omega approaching and end up fighting him once he says he will obtain Metal Sonic. However, Amy arrives with said robot, breaking up the fight. Omega scans Metal Sonic and jumps out of the window, flying towards the Moon. with Metal Sonic in their hands at last, Chaotix go to leave back to Earth. However, Amy says that Sonic is out there and needs help. She manages to take control of the Egg Cruiser stolen from Blue Coast, giving Chaotix no choice but to tag along.
==The Last Battle==
====Premise====
The Last Battle can only be accessed by completing everyone's story except the DLC characters.
The story picks up where Rouge and Shadow's story left off. The two are standing around the pool of liquid when Tails and Silver run in, the former telling them to stop away from the pool. Orbot draws a rocket launcher in an attempt to stop them, but Silver quickly turns the rocket around and blasts Orbot himself. Tails says that he understands what Eggman's up too. When Rouge asks why Eggman needs the Chaos Emeralds, Tails says that the Chaos Emeralds have nothing to do with Eggman's plan. Just as he finishes, the Egg Enforcer flies through the wall and skids to a halt in front of the pool, with Sonic walking out from the hole, shaking off dust. Sonic notices Tails and runs over to him, saying that he's glad that he's ok. Shadow tells Tails to continue his explanation as Knuckles and Blaze arrive from the Hanger. However, Eggman has crawled away from the Enforcer and has managed to get to a control panel, hitting a button that somehow brought the pool to life. A robot similar to the ones from the future comes out of the pool, except in far more regal armor. Shadow tries to use Chaos Control, but the robot blasts him with eye beams before he can do anything. Moments later, Omega flies through the roof of the lab, emptying his machine guns on the robot, but the robot easily deflects them. However, the Egg Cruiser Amy and the Chaotix stole rains down a missile barrage, obliterating the robot. Omega lands and the Chaotix and Amy fly down in a shuttle.
As the robot attempts to reform, Tails explains that Eggman never needed the Chaos Emeralds: the robot is weak to Chaos Energy. Eggman was merely removing the only possible counter to the robot. Omega confirms Tail's suspicions, saying that he's managed to locate where the Chaos Emeralds are in the base. However, the robot has risen from the pool and combined itself with the ruins of the Egg Enforcer. Calling itself Cardinal, the robot opens fire on the stolen Egg Cruiser, destroying it. Multiple other robots then fly out of the pool, launching an attack on Earth. Eggman walks over to the group of heroes, telling him that with his new army, he will be able to rule the world. However, Silver tells Eggman about the attack on the future and tells him the robots only want the world for themselves. Realizing he won't be able to rule the world, Eggman commands Orbot to retrieve the other Chaos Emeralds and gives them to the group. However, Omega says that the robot is designed to adapt: taking the robot on alone like Sonic usually does won't destroy it as it will adapt to Sonic's fighting patterns. Sonic concludes they use their Super forms in turn. Charmy calls first dibs and the final battle begins.
==== Levels ====
Level 	Objective
The Last Battle	Destroy Cardinal!
The level swaps between the heroes in the order of this table right to left (Chaotix go in the order Charmy, Vector, Espio). The music of the level swaps for each character's theme song.
==== Result ====
Sonic delivers the final blow to Cardinal, the robot crashing to the ground, leaving only the ruins of the Egg Enforcer and the robot's slowly dissolving body. Eggman is seen hiding behind a control panel with Orbot and Cubot, saying it's time to move as they run away.As the heroes celebrate, Tails notices one of the Egg Enforcer's weapons activating. It fires a laser blast at Sonic. Concluding that there's no other way to stop it, Tails jumps in front of the blast. Sonic spins round to see his best friend seriously injured, and looks up too see the gun that fired the shot.
And attached to that gun is Metal Sonic.
Still in his super state, Sonic flies over and rips his robot counterpart out of the Egg Enforcer's weapon systems. Using power he never knew he had in this form before, Sonic melts Metal Sonic's head. The robot can only say "I've won" before the headless machine falls to the floor. Sonic flies back to the others. Silver says he's tried using his telekinesis to help Tails, and Omega's attempted to use his in-built medical technology, but neither have worked. Shadow also says there's no medical technology in Eggman's base, seeing there was only ever meant to be one human. Sonic tries to use the Chaos Emeralds to heal Tails, but Omega says the technology used in the Enforcer negates the Chaos Emeralds and that won't work. Sonic holds Tails in his arms as his friend the hedgehog says that he's sorry for everything that's happened to him. Tails says that Sonic shouldn't be:he made his life truly worth living, with friends all around him and adventure at every turn. Tails tells Sonic that he wouldn't have it any other way as he closes his eyes. As Sonic mourns Tails, Shadow walks over and tells him he's sorry he couldn't save Tails, as he knew all too well what it's like too lose someone. Sonic stands up, Tails' body still in his arms, and tells Shadow he won't tolerate it anymore. When Shadow asks what, Sonic tells him that every time he stopped Eggman, he came back and chaos befell the world once more. He says that, with the Emeralds, he now finally has a chance to completely stop evil once and for all. Using his powers, Sonic creates statue of Tails out of the metal around the control room and places his body within the base of the statue. After he says goodbye to his old friend, he flies away.
The other heroes stand still. After a few moments silence, Blaze asks what they do now. Shadow says he knows what position Sonic is in. When Shadow himself lost Maria, the grief of what happened led him to work for Eggman, Attack G.U.N and nearly destroy the world. With the power Sonic has right now, history will almost certainly repeat itself. As much as he hates to say it, Shadow announces that Sonic is now their enemy. The heroes become silent as the screen fades to black and the credits role.
==Big's Story(DLC)==
===Act 1:Blue Coast===
====Premise====
Relaxing one day at the bay in Blue Coast, Big suddenly sees Eggman's robot attack the bay. Realizing he left Froggy at home, Big goes off to save his friend.
====Levels====
Level 	Objective
The Coast 	Get to the Bay!
The Bay 	Find Froggy!
Boss Battle:Egghunter Nega	Defeat Eggghunter!
====Result====
After defeating Egghunter Nega and reaching his house, Big realizes Froggy has disappeared. All that's left is a note that says "Bring me the reactor, or the Frog is doomed!-Eggman". However, due to previous problems with frog management, Tails made Big a tracking device for Froggy, pointing to the frog being in Deep Jungle. Big goes to save his friend.
===Act 2:Deep Jungle===
====Premise====
Big continues his quest to find Froggy.
====Levels====
Level 	Objective
Undergrowth 	Get to the temple!
Jungle Temple	Find Froggy!
Building Site	Escape the robots!
====Result====
After finding an the tracker in the jungle and no Froggy, Big concludes he's been deceived and leaves the jungle disheartened.
===Act 3:Crystal Caverns===
====Premise====
Walking out of the jungle, it begins to rain heavily. Big decides to take sheleter in a small cave. However, the ground of the cave breaks under Big's weight and he falls into the caverns bellow. He decides to find a way out again.
====Levels====
Level 	Objective
Untouched Caverns	Escape the caverns!
Abandoned Mine 	Fine Froggy!
Boss battle:Ice 	Defeat Ice!
====Result====
Big finds Froggy held captive by the robots. He nearly manages to free the frog, but is waylaid by a creature calling himself Ice. After a hard fight, Ice asks Big if he's Eggman's enemy, to which he says yes. Ice stops fighting, apologizing and saying that they're both on the same side. He says that he's found the exit to the caverns and him and Big go there.
==Cream's Story(DLC)==
===Act 1:Iravia===
====Premise====
On a school trip to Iravia, Cream is separated from her group when Eggman's robots start attacking the city. However, she does notice an extremely familiar frog. She decides to take the frog with her as she tries to find her group, enjoying any kind of company.
====Levels====
Level 	Objective
The City 	Avoid the robots!
The Subway 	Hide from the trains!
The Green Fields	Find the school bus!
====Result====
Cream finds the school bus, but discovers that a note that says "Bring us the reactor or your classmates are doomed!-Eggman". Plucking up her courage, Cream decides to try and save her classmates.
===Act 2:Sandstorm Desert===
====Premise====
Cream follows an Egg Robot convoy to Sandstorm Desert, hoping to find her friends.
====Levels====
Level 	Objective
The Canyon 	Follow the robots!
The Ruins 	Avoid the robots!
Boss Battle:Ice	Defeat Ice!
====Result====
After being defeated by the Ice creature, Cream says that she just wants her classmates back as they were captured by Eggman. The creature asks if she got a note mentioning a reactor, and Cream says she did. The creature apologies for attacking Cream and didn't realize they were on the same side. He says that Eggman is threatening to destroy his island, and that he must be stopped. He asks Cream to keep him informed of other developments and leaves, leaving Cream alone to find her classmates.
===Act 3:Angel Island===
====Premise====
Cream continues her search on the grounded Angel Island.
====Levels====
Level 	Objective
The Forest 	Escape the robots!
Ruins Exterior 	Find the class!
Boss Battle:Egghunter Nega	Defeat Egghunter!
====Result====
Cream manages to defeat Egghunter and find her schoolmates, but it turns out to be a trap:She's captured in an energy bubble as Eggman Nega walks up to her.
==Ice's Story(DLC)==
===Act 1:Coldreach===
====Premise====
Ice awakens sensing intruders on the islands, including multiple robots and two hedgehogs. He sets out to defend Coldreach's Chaos Emerald.
====Levels====
Level 	Objective
The Mountain	Get to the coast!
The Coast 	Defeat the robots!
The Caverns 	Find the Emerald!
====Result====
Ice arrives to find that the Chaos Emerald has disappeared. He also finds a note saying "Bring the reactor to me, or your island will be seawater!-Eggman". Wanting to defend the island of his creation, Ice leaves to try and stop this "Eggman".
===Act 2:Sandstorm Desert===
====Premise====
Assuming Eggman is clever enough to know the weakness of an ice being, Ice goes into the desert to find him.
====Levels====
Level 	Objective
The Desert 	Escape the heat!
The Ruins 	Find Eggman
Boss Battle:Cream the Rabbit	Defeat Cream!
====Result====
Ice attacks Cream and manages to defeat her, but stops attacking when Cream states she got a note telling her that Eggman had kidnapped her classmates. When Ice asks for further details, she says the note mentioned a reactor, similar to Ice's. Realizing they're on the same side, Ice apologizes for attacking Cream and leaves to find Eggman, telling her to keep him informed of developments.
===Act 3:Crystal Caverns===
====Premise====
Leaving the desert, Ice discovers Eggman's forces at Crystal Caverns. He goes to investigate.
====Levels====
Level 	Objective
Overground 	Enter the caverns!
Abandoned Mine 	Destroy the robots!
Boss Battle:Big the Cat	Defeat Big!
====Result====
Big and Ice fight each other to a standstill, until Ice realizes he may have made the same mistake again. He asks Big what he wants, and Big says he wants Eggman to give Froggy back. Ice stops fighting and apologizes for attacking Big. He tells him that they can help each other fight Eggman, to which Big agrees too, and both exit the caverns.
==The Other Last Battle(DLC)==
===Premise===
This chapter can only be unlocked by completing the stories of all the DLC characters.
After getting out of the Caverns, Ice and Big see Eggman Nega flying up to them in his Egg Enforcer Nega, with Cream, Froggy and Cream's classmates all trapped in energy bubbles. Nega releases Cream, who joins Big and Ice. Eggman asks for the reactor back, but Ice states that none of them have got it. Nega tells them that he decided to set up shop in this time seeing he can't rule the future anymore. Using time travel, he brought back a Dark Matter Reactor that could easily destroy the Earth's armies, and with Sonic's group otherwise occupied there would be nothing anyone could do about it. However, someone stole it, and Nega matched the energy signatures of the thief with those of Ice, Big and Cream. Ice says he's mistaken, but Nega refuses to relent and attacks the group.
===Levels===
Level 	Objective
The Other Last Battle	Defeat Nega!
The battle swaps between Cream, Ice and Big in that order.
===Result===
After defeating Nega and deactivating the energy fields, Froggy apologizes for causing harm to all of them. Surprised to here Froggy talking, the group are even more shocked to see Froggy turn into a hooded figure in a cloak. The figure states that he is called Tel-Eth, and he was the one who stole the Dark Matter Reactor from Nega to keep him from using it. He hid it somewhere he doesn't mention, but realized Eggman was on his tail. As such, he using his powers, he shape shifted into a frog which was mistaken for Froggy. Tel-Eth says that the real Froggy is still in the Caverns, and Big rushes off to get him. Looking at Cream and Ice, Tel-Eth says that he doesn't know why they were roped into this. Ice assumes it was because of his natural Chaos Energy giving off a similar signature, and Cream says the same might have been true for Germel. Tel-Eth nods and turns away, saying Nega is now theres before flying off. Ice and Cream look at each other, wandering what to do with Nega just as Big walks out of the Caverns. Cream smiles and they both nod at each other.
The scene changes to Big and Nega sitting on a lakeside, both fishing. Nega tries to sneak away while Big isn't looking, but a spike of ice shoots up from the ground in front of him and he gets back to fishing. The screen then fades to black and the credits role.
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