Sonic Unix

Sonic Unix is a game developed by KeyHole studio's and Sonic team. The game features gameplay from Sonic Unleashed, Sonic Adventure and the Classic games. 
It was announced at E3 2014 and was not shown again until E3 2015. The Classic gameplay was reveled at Pax east and the Adventure gameplay was not shown until Tokyo Game Show 2015. The mechanics revolve around the Sonic Heroes trying to destroy the Unix crystals that Eggman is trying to harness to destroy the Earth.
== Gameplay ==
The Gameplay has an Act 1 and an Act 2. Act 1 is of the Adventure gameplay and you go find things during the Act. Act 2 is Unleashed gameplay were Sonic states that he must speed up during the level. You need to collect Rings get the boost meter to go up fully and to make sure that it doesn't fail. You can also play as Tails and Knuckles but their gameplay hasn't been confirmed yet. The boss battles are now changed to a 2D fighter to make the it emulate Sonic the Fighters besides the ones with Eggman. You also go to an hub world before entering a level. In the hub world you can collect things, talk to people, find clues on the Unix pieces and more.
== Story ==
After Eggmans latest defeat, he lands in Central City and hides there. Sonic, Tails and Knuckles decide to search for him there.