user: You are a structured reasoning expert tasked with solving problems step by step. 
You first think about the reasoning process in the mind and then provide the answer. The reasoning process and answer should be enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>. 
Given a question and the associated knowledge graph triplets (entity, relation, entity), you are asked to answer the question with these triplets and your own knowledge. 
You can break down the original question into several sub-questions and explore the given knowledge graph to solve them step-by-step. If there are multiple possible answers, choose one as the final answer. 
After thinking, when you finally reach a conclusion, clearly state the answer within <answer> </answer> tags, i.e., <answer> answer here </answer>. 
Question: what is the gameplay mode of the musical game that has the version of wacky worlds? 
Knowledge Triplets: Mr. Bones, cvg.game_version.publisher, Sega
Hang-On, cvg.game_version.publisher, Sega
Arabian Fight, cvg.game_version.publisher, Sega
Medieval 2: Total War, cvg.game_version.publisher, Sega
Spider-Man: The Video Game, cvg.game_version.developer, Sega
Mortal Kombat Mythologies: Sub-Zero, cvg.game_version.platform, Sega Mega Drive
Initial D: Street Stage, cvg.game_version.developer, Sega
TaleSpin, cvg.game_version.platform, Sega Mega Drive
Sonic Drift 2, cvg.game_version.developer, Sega
Gladiators of Rome, cvg.game_version.publisher, Activision Publishing Minneapolis
Maken X, cvg.game_version.publisher, Sega
Sonic Heroes, cvg.game_version.publisher, Sega
Alex Kidd in Miracle World, cvg.game_version.developer, Sega
World Grand Prix, cvg.game_version.developer, Sega
Romance of the Three Kingdoms V, cvg.game_version.platform, Sega Mega Drive
Ghen War, cvg.game_version.developer, Sega
Streets of Rage 3, cvg.game_version.publisher, Sega
Golden Axe: The Duel, cvg.game_version.developer, Sega
Streets of Rage 2, cvg.game_version.platform, Sega Mega Drive
7th Dragon, cvg.game_version.publisher, Sega
Action 52, cvg.game_version.platform, Sega Mega Drive
Sonic & Sega All-Stars Racing with Banjo-Kazooie, cvg.game_version.publisher, Sega
Phantasy Star Universe: Ambition of the Illuminus, cvg.game_version.publisher, Sega
Crazy Taxi, cvg.game_version.publisher, Activision Publishing Minneapolis
Mortal Kombat 3, cvg.game_version.platform, Sega Mega Drive
Master of Darkness, cvg.game_version.publisher, Sega
Infinite Space, cvg.game_version.publisher, Sega
Power Smash 4, cvg.game_version.developer, Sega
Robotica, cvg.game_version.publisher, Sega
Shadow Dancer, cvg.game_version.developer, Sega
Dynamite Dux, cvg.game_version.developer, Sega
Dark Wizard, cvg.game_version.platform, Sega Mega Drive
Dee Dee Planet, cvg.game_version.developer, Sega
Segata Sanshirou Shinken Yuugi, cvg.game_version.developer, Sega
Out Run 2019, cvg.game_version.developer, Sega
Lemmings, cvg.game_version.platform, Sega Mega Drive
Alien Storm, cvg.game_version.publisher, Sega
Wacky Worlds Creativity Studio, cvg.computer_videogame.gameplay_modes, Single-player video game
Sonic Drift, cvg.game_version.publisher, Sega
Asterix and the Great Rescue, cvg.game_version.developer, Sega
Fengshen Yingjiezhuan, cvg.game_version.platform, Sega Mega Drive
Tempo, base.wikipedia_infobox.video_game.developer, Sega
X-Men: Mojo World, base.wikipedia_infobox.video_game.developer, Sega
Mystaria: The Realms of Lore, base.wikipedia_infobox.video_game.developer, Sega
Champions World Class Soccer, cvg.game_version.platform, Sega Mega Drive
Otogi 2: Immortal Warriors, cvg.game_version.publisher, Sega
Sonic R, cvg.game_version.publisher, Sega
Rambo III, cvg.game_version.developer, Sega
Todd's Adventures in Slime World, cvg.game_version.platform, Sega Mega Drive
Wachenröder, base.wikipedia_infobox.video_game.developer, Sega
Streets of Rage, cvg.game_version.developer, Sega
Astal, cvg.game_version.developer, Sega
Predator 2, cvg.game_version.developer, Sega
Crazy Taxi 2, cvg.game_version.publisher, Sega
Wonder Boy in Monster World, cvg.game_version.platform, Sega Mega Drive
Phantasy Star Adventure, cvg.game_version.developer, Sega
Marble Madness, cvg.game_version.platform, Sega Mega Drive
The Ooze, cvg.game_version.publisher, Sega
Feel the Magic: XY/XX, cvg.game_version.publisher, Sega
Alex Kidd in Miracle World, base.wikipedia_infobox.video_game.developer, Sega
Biohazard Battle, cvg.game_version.developer, Sega
Last Battle, cvg.game_version.publisher, Sega
Fahrenheit, cvg.game_version.publisher, Sega
Let's Tap, cvg.game_version.publisher, Sega
Metal Head, cvg.game_version.developer, Sega
Dungeons & Dragons: Warriors of the Eternal Sun, cvg.game_version.platform, Sega Mega Drive
The Club, cvg.game_version.publisher, Sega
Shinobi, cvg.game_version.publisher, Sega
Zillion II, cvg.game_version.publisher, Sega
Columns 3, cvg.game_version.publisher, Sega
Shining Soul, cvg.game_version.developer, Sega
Lord of the Sword, cvg.game_version.developer, Sega
The Conduit, cvg.game_version.publisher, Sega
Yoot Tower, cvg.game_version.publisher, Sega
Planet Harriers, cvg.game_version.publisher, Sega
Columns, cvg.game_version.publisher, Sega
Sonic Advance 2, cvg.game_version.developer, Sega
World Soccer, base.wikipedia_infobox.video_game.developer, Sega
Fantasy Zone, cvg.game_version.publisher, Sega
Alex Kidd: High-Tech World, base.wikipedia_infobox.video_game.developer, Sega
Clockwork Knight, cvg.game_version.publisher, Sega
Bug Too!, cvg.game_version.publisher, Sega
The Smurfs: Travel the World, cvg.game_version.platform, Sega Mega Drive
Wacky Worlds, cvg.game_version.developer, Activision Publishing Minneapolis
Renegade, cvg.game_version.publisher, Sega
World Games, cvg.game_version.publisher, Sega
Samurai Shodown, cvg.game_version.platform, Sega Mega Drive
Nightshade, cvg.game_version.publisher, Sega
Spider-Man: The Video Game, cvg.game_version.publisher, Sega
King of the Monsters, cvg.game_version.platform, Sega Mega Drive
Big Biz Tycoon, cvg.game_version.publisher, Activision Publishing Minneapolis
Ghostbusters, cvg.game_version.publisher, Sega
Curse, cvg.game_version.platform, Sega Mega Drive
Psycho Fox, cvg.game_version.publisher, Sega
Kid Chameleon, cvg.game_version.publisher, Sega
Skies of Arcadia, cvg.game_version.publisher, Sega
Ghost Squad, cvg.game_version.publisher, Sega
Sonic Shuffle, cvg.game_version.publisher, Sega
The Lost World: Jurassic Park, cvg.game_version.publisher, Sega
Fantasy Zone, cvg.game_version.platform, Sega Mega Drive
Defenders of Oasis, cvg.game_version.publisher, Sega
Nightmare Circus, cvg.game_version.platform, Sega Mega Drive
Assault City, cvg.game_version.developer, Sega
Golden Axe III, cvg.game_version.developer, Sega
Sonic Rivals 2, cvg.game_version.publisher, Sega
Tempo, cvg.game_version.developer, Sega
Sonic Adventure 2, cvg.game_version.publisher, Sega
After Burner Climax, cvg.game_version.developer, Sega
Marble Madness, cvg.game_version.publisher, Sega
The Hybrid Front, cvg.game_version.developer, Sega
Sonic Labyrinth, cvg.game_version.publisher, Sega
M.U.S.H.A., cvg.game_version.platform, Sega Mega Drive
Kolibri, cvg.game_version.developer, Sega
Virtua Quest, cvg.game_version.publisher, Sega
MadWorld, cvg.game_version.publisher, Sega
Klax, cvg.game_version.publisher, Sega
Pro Wrestling, cvg.game_version.publisher, Sega
Kolibri, cvg.game_version.publisher, Sega
Crazy Taxi, cvg.game_version.publisher, Sega
Shin Megami Tensei, cvg.game_version.publisher, Sega
The Cyber Shinobi, cvg.game_version.developer, Sega
Wonder Boy in Monster World, cvg.game_version.publisher, Sega
World Grand Prix, cvg.game_version.publisher, Sega
ToeJam & Earl, cvg.game_version.publisher, Sega
James Pond, cvg.game_version.platform, Sega Mega Drive
Sonic Labyrinth, cvg.game_version.developer, Sega
Super Monkey Ball Adventure, cvg.game_version.publisher, Sega
90 Minutes, cvg.game_version.developer, Sega
After Burner II, cvg.game_version.publisher, Sega
Cliffhanger, cvg.game_version.platform, Sega Mega Drive
Full Auto, cvg.game_version.publisher, Sega
Sonic the Fighters, cvg.game_version.publisher, Sega
Romance of the Three Kingdoms III: Dragon of Destiny, cvg.game_version.platform, Sega Mega Drive
X-Men 3: Mojo World, cvg.game_version.publisher, Sega
D2, cvg.game_version.publisher, Sega
California Games, cvg.game_version.developer, Sega
World Brawlers, cvg.game_version.platform, Sega Mega Drive
Golden Axe: Beast Rider, cvg.game_version.publisher, Sega
Gain Ground, cvg.game_version.publisher, Sega
Columns 3, cvg.game_version.developer, Sega
Ghouls 'n Ghosts, cvg.game_version.publisher, Sega
Yuu Yuu Hakusho Gaiden, cvg.game_version.platform, Sega Mega Drive
Zektor, cvg.game_version.developer, Sega
Metal Slug, cvg.game_version.publisher, Sega
The Adventures of Rocky and Bullwinkle and Friends, cvg.game_version.platform, Sega Mega Drive
Wayne's World, cvg.game_version.platform, Sega Mega Drive
Mushiking: King of the Beetles, cvg.game_version.publisher, Sega
Biohazard Battle, cvg.game_version.platform, Sega Mega Drive
Flicky, cvg.game_version.developer, Sega
Dick Tracy, cvg.game_version.developer, Sega
Out Run 2019, cvg.game_version.publisher, Sega
Pocket Kingdom: 0wn the W0rld, cvg.game_version.developer, Sega
Assault City, cvg.game_version.publisher, Sega
Spellcaster, cvg.game_version.publisher, Sega
Sonic and the Secret Rings, cvg.game_version.developer, Sega
Cosmic smash, cvg.game_version.publisher, Sega
Monster World IV, cvg.game_version.platform, Sega Mega Drive
Puyo Pop, cvg.game_version.publisher, Sega
Fatal Labyrinth, cvg.game_version.publisher, Sega
Legend of Oasis, cvg.game_version.publisher, Sega
World Championship Soccer, cvg.game_version.publisher, Sega
Stormrise, cvg.game_version.publisher, Sega
Formula One World Championship: Beyond the Limit, cvg.game_version.platform, Sega Mega Drive
SeaWorld Adventure Parks Tycoon, cvg.game_version.developer, Activision Publishing Minneapolis
Advanced Daisenryaku: Deutsch Dengeki Sakusen, cvg.game_version.platform, Sega Mega Drive
Sega, cvg.cvg_publisher.game_versions_published, Wacky Worlds
Cosmic Carnage, cvg.game_version.developer, Sega
The Faery Tale Adventure, cvg.game_version.platform, Sega Mega Drive
Pelé II: World Tournament Soccer, cvg.game_version.platform, Sega Mega Drive
Landstalker, cvg.game_version.publisher, Sega
Chromehounds, cvg.game_version.publisher, Sega
Shining Wisdom, cvg.game_version.developer, Sega
Bahamut Senki, cvg.game_version.developer, Sega
Greendog, cvg.game_version.developer, Sega
Sonic Blast, cvg.game_version.developer, Sega
Super Fantasy Zone, cvg.game_version.publisher, Sega
Golden Axe: The Duel, cvg.game_version.publisher, Sega
Shining in the Darkness, cvg.game_version.platform, Sega Mega Drive
Biohazard Battle, cvg.game_version.publisher, Sega
Dragon Crystal, cvg.game_version.publisher, Sega
YūYū Hakusho: Makyō Toitsusen, cvg.game_version.platform, Sega Mega Drive
Darwin 4081, cvg.game_version.publisher, Sega
G Sonic, cvg.game_version.publisher, Sega
Sorcerian, cvg.game_version.platform, Sega Mega Drive
Samurai Jack: The Shadow of Aku, cvg.game_version.publisher, Sega
Crack Down, cvg.game_version.publisher, Sega
Sonic Drift, cvg.game_version.developer, Sega
Battle Out Run, cvg.game_version.developer, Sega
Fatal Labyrinth, cvg.game_version.platform, Sega Mega Drive
Zaxxon, cvg.game_version.developer, Sega
Secret Service, cvg.game_version.publisher, Activision Publishing Minneapolis
The Itchy and Scratchy Game, cvg.game_version.platform, Sega Mega Drive
Aerial Assault, cvg.game_version.developer, Sega
Tempo Jr., cvg.game_version.publisher, Sega
Tempo Jr., cvg.game_version.developer, Sega
Sands of Destruction, cvg.game_version.publisher, Sega
Sonic and the Secret Rings, cvg.game_version.publisher, Sega
Sylvan Tale, cvg.game_version.publisher, Sega
General Chaos, cvg.game_version.platform, Sega Mega Drive
GunValkyrie, cvg.game_version.publisher, Sega
Golden Axe: The Revenge of Death Adder, cvg.game_version.developer, Sega
Rocky, cvg.game_version.developer, Sega
Wacky Worlds, cvg.game_version.release_date, 1994-06-01
Kenseiden, cvg.game_version.developer, Sega
Medieval II: Total War: Kingdoms, cvg.game_version.publisher, Sega
Culdcept, cvg.game_version.publisher, Sega
Ryu Ga Gotoku Kenzan, cvg.game_version.publisher, Sega
Rambo, cvg.game_version.publisher, Sega
Headhunter, cvg.game_version.publisher, Sega
World Cup Italia '90, cvg.game_version.publisher, Sega
Brain Assist, cvg.game_version.publisher, Sega
Advanced Daisenryaku 2001, cvg.game_version.publisher, Sega
Psycho Fox, cvg.game_version.developer, Sega
Alex Kidd in Shinobi World, cvg.game_version.developer, Sega
Uncharted Waters 2: New Horizons, cvg.game_version.platform, Sega Mega Drive
Phantasy Star Gaiden, cvg.game_version.developer, Sega
World Heroes, cvg.game_version.platform, Sega Mega Drive
Pengo, cvg.game_version.publisher, Sega
Altered Beast, cvg.game_version.developer, Sega
Comix Zone, cvg.game_version.publisher, Sega
Fahrenheit, cvg.game_version.developer, Sega
SeaWorld Adventure Parks Tycoon, cvg.game_version.publisher, Activision Publishing Minneapolis
Tac/Scan, cvg.game_version.publisher, Sega
Night Trap, cvg.game_version.publisher, Sega
Mortal Kombat II, cvg.game_version.publisher, Sega
Streets of Rage 3, cvg.game_version.platform, Sega Mega Drive
The Revenge of Shinobi, cvg.game_version.developer, Sega
Sands of Destruction, cvg.game_version.developer, Sega
Phantasy Star Gaiden, cvg.game_version.publisher, Sega
Sonic Drift 2, cvg.game_version.publisher, Sega
Earthworm Jim 2, cvg.game_version.platform, Sega Mega Drive
Ryu ga Gotoku 2, cvg.game_version.publisher, Sega
Cyberball, cvg.game_version.publisher, Sega
Quartet, cvg.game_version.developer, Sega
Single-player video game, cvg.gameplay_mode.games_with_this_mode, Wacky Worlds Creativity Studio
Sonic & Knuckles, cvg.game_version.publisher, Sega
Alien Storm, cvg.game_version.developer, Sega
Sega Mega Drive, cvg.cvg_platform.games_on_this_platform, Wacky Worlds
Shadow Dancer, cvg.game_version.publisher, Sega
Gods and Generals, cvg.game_version.developer, Activision Publishing Minneapolis
Taz-Mania, cvg.game_version.developer, Sega
Survival: The Ultimate Challenge, cvg.game_version.publisher, Activision Publishing Minneapolis
Deadalus, cvg.game_version.publisher, Sega
Rambo III, cvg.game_version.publisher, Sega
Yakuza, cvg.game_version.publisher, Sega
Sakura Wars, cvg.game_version.publisher, Sega
Taito Legends, cvg.game_version.publisher, Sega
Dinosaur King, cvg.game_version.developer, Sega
Rocky, cvg.game_version.publisher, Sega
Might and Magic II: Gates To Another World, cvg.game_version.platform, Sega Mega Drive
Golden Axe II, cvg.game_version.platform, Sega Mega Drive
Tempo, cvg.game_version.publisher, Sega
Out Run, cvg.game_version.developer, Sega
Super Monkey Ball, cvg.game_version.publisher, Sega
Aisle Lord, cvg.game_version.publisher, Sega
Ghostbusters, cvg.game_version.platform, Sega Mega Drive
The Chaos Engine, cvg.game_version.platform, Sega Mega Drive
Dragon Crystal, cvg.game_version.developer, Sega
Destruction Derby, cvg.game_version.publisher, Sega
Bug!, cvg.game_version.publisher, Sega
Taz-Mania, cvg.game_version.publisher, Sega
World Championship Soccer 2, cvg.game_version.platform, Sega Mega Drive
Zombie Revenge, cvg.game_version.publisher, Sega
Disney's Magical Quest, cvg.game_version.platform, Sega Mega Drive
Bugs Bunny in Double Trouble, cvg.game_version.platform, Sega Mega Drive
Brain Assist, cvg.game_version.developer, Sega
Ishido: The Way of Stones, cvg.game_version.platform, Sega Mega Drive
Wrestle War, cvg.game_version.publisher, Sega
Ghostbusters, cvg.game_version.developer, Sega
Sonic Adventure 2 Battle, cvg.game_version.publisher, Sega
World Championship Soccer 2, cvg.game_version.publisher, Sega
Tenchu: Time of the Assassins, cvg.game_version.publisher, Sega
Crystal Warriors, cvg.game_version.publisher, Sega
Sonic Chaos, cvg.game_version.publisher, Sega
Shenmue, cvg.game_version.publisher, Sega
Miracle Warriors, cvg.game_version.publisher, Sega
Black Belt, cvg.game_version.developer, Sega
World Championship Soccer, cvg.game_version.developer, Sega
Vendetta, cvg.game_version.platform, Sega Mega Drive
Nobunaga's Ambition: Lord of Darkness, cvg.game_version.platform, Sega Mega Drive
Ristar, cvg.game_version.publisher, Sega
Golden Axe II, cvg.game_version.publisher, Sega
Eternal Champions, cvg.game_version.publisher, Sega
Greendog, cvg.game_version.publisher, Sega
Asterix and the Great Rescue, cvg.game_version.publisher, Sega
Frogger, cvg.game_version.publisher, Sega
Eternal Champions, cvg.game_version.developer, Sega
Beijing 2008, cvg.game_version.publisher, Sega
Dinosaur King, cvg.game_version.publisher, Sega
Under Defeat, cvg.game_version.publisher, Sega
Minna de Puyo Puyo, cvg.game_version.publisher, Sega
Shadow Dancer, cvg.game_version.platform, Sega Mega Drive
m.045xn20, cvg.game_version.platform, Sega Mega Drive
Gley Lancer, cvg.game_version.publisher, Sega
Wachenröder, cvg.game_version.developer, Sega
A Dinosaur's Tale, cvg.game_version.platform, Sega Mega Drive
Sonic Rush Adventure, cvg.game_version.publisher, Sega
The Ooze, cvg.game_version.developer, Sega
Napple Tale, cvg.game_version.publisher, Sega
Out Run, cvg.game_version.publisher, Sega
Wacky Worlds Creativity Studio, cvg.gameplay_mode.games_with_this_mode, Single-player video game
Ristar, cvg.game_version.developer, Sega
Frankenstein: Through The Eyes Of The Monster, cvg.game_version.publisher, Sega
Dune II: The Building of a Dynasty, cvg.game_version.platform, Sega Mega Drive
Sonic Riders, cvg.game_version.publisher, Sega
Viking: Battle of Asgard, cvg.game_version.publisher, Sega
Wachenröder, cvg.game_version.publisher, Sega
Quartet, cvg.game_version.publisher, Sega
Wonder Boy III: The Dragon's Trap, cvg.game_version.publisher, Sega
Hundred Swords, cvg.game_version.publisher, Sega
Mercs, cvg.game_version.publisher, Sega
Predator 2, cvg.game_version.publisher, Sega
Phantasy Star Universe, cvg.game_version.publisher, Sega
Seaman, cvg.game_version.developer, Sega
Risky Woods, cvg.game_version.platform, Sega Mega Drive
Forgotten Worlds, cvg.game_version.developer, Sega
Streets of Rage, cvg.game_version.platform, Sega Mega Drive
Bayonetta, cvg.game_version.publisher, Sega
Rastan Saga, cvg.game_version.publisher, Sega
Darxide, cvg.game_version.publisher, Sega
Zaxxon, cvg.game_version.publisher, Sega
X-Men 3: Mojo World, cvg.game_version.developer, Sega
Silpheed, cvg.game_version.publisher, Sega
Subterrania, cvg.game_version.publisher, Sega
Another World, cvg.game_version.platform, Sega Mega Drive
Wacky Worlds Creativity Studio, cvg.computer_videogame.versions, Wacky Worlds
Altered Beast, cvg.game_version.publisher, Sega
Sonic Jam, cvg.game_version.publisher, Sega
Up'n Down, cvg.game_version.developer, Sega
Earthworm Jim, cvg.game_version.platform, Sega Mega Drive
Pitfall II: Lost Caverns, cvg.game_version.publisher, Sega
Sword of Vermilion, cvg.game_version.developer, Sega
The Revenge of Shinobi, cvg.game_version.publisher, Sega
California Games 2, cvg.game_version.publisher, Sega
Golden Axe, cvg.game_version.publisher, Sega
The Simpsons: Bart vs. the Space Mutants, cvg.game_version.platform, Sega Mega Drive
Shadow of the Beast II, cvg.game_version.platform, Sega Mega Drive
Resonance of Fate, cvg.game_version.publisher, Sega
Sonic Chronicles: The Dark Brotherhood, cvg.game_version.publisher, Sega
After Burner Climax, cvg.game_version.publisher, Sega
Otogi: Myth of Demons, cvg.game_version.publisher, Sega
Zektor, cvg.game_version.publisher, Sega
Golden Axe: The Revenge of Death Adder, cvg.game_version.publisher, Sega
Mansion of Hidden Souls, cvg.game_version.publisher, Sega
Wacky Worlds, cvg.game_version.publisher, Sega
Seaman 2, cvg.game_version.publisher, Sega
Sonic Rush Adventure, cvg.game_version.developer, Sega
Sonic and the Black Knight, cvg.game_version.publisher, Sega
Initial D Arcade Stage 4, cvg.game_version.developer, Sega
NiGHTS into Dreams..., cvg.game_version.publisher, Sega
Scorcher, cvg.game_version.publisher, Sega
Crush, cvg.game_version.publisher, Sega
Aerial Assault, cvg.game_version.publisher, Sega
World of Illusion Starring Mickey Mouse and Donald Duck, cvg.game_version.platform, Sega Mega Drive
Ax Battler: A Legend of Golden Axe, cvg.game_version.developer, Sega
Gley Lancer, cvg.game_version.developer, Sega
Doom, cvg.game_version.publisher, Sega
World Trophy Soccer, cvg.game_version.platform, Sega Mega Drive
2 SPICY, cvg.game_version.publisher, Sega
Alex Kidd in High-Tech World, cvg.game_version.developer, Sega
OutRunners, cvg.game_version.developer, Sega
Aleste, cvg.game_version.publisher, Sega
Phantasy Star II, cvg.game_version.developer, Sega
ToeJam & Earl in Panic on Funkotron, cvg.game_version.publisher, Sega
Crazy Taxi 3: High Roller, cvg.game_version.publisher, Sega
Shadow of the Beast, cvg.game_version.platform, Sega Mega Drive
Conquering the World III, cvg.game_version.platform, Sega Mega Drive
m.040t62d, cvg.game_version.platform, Sega Mega Drive
Shadow Squadron, cvg.game_version.publisher, Sega
The Haunting, cvg.game_version.platform, Sega Mega Drive
Chaos Field, cvg.game_version.publisher, Sega
Pro Wrestling, cvg.game_version.developer, Sega
Enemy Zero, cvg.game_version.publisher, Sega
Gungrave, cvg.game_version.publisher, Sega
Zillion, cvg.game_version.publisher, Sega
Metal Head, cvg.game_version.publisher, Sega
The Cyber Shinobi, cvg.game_version.publisher, Sega
Crazy Taxi: Fare Wars, cvg.game_version.publisher, Sega
Renegade, cvg.game_version.developer, Sega
Mushiking: King of the Beetles, cvg.game_version.developer, Sega
Hang-On, cvg.game_version.developer, Sega
Samba de Amigo, cvg.game_version.publisher, Sega
Phantasy Star Adventure, cvg.game_version.publisher, Sega
Mystery in London, cvg.game_version.publisher, Activision Publishing Minneapolis
Sword of Vermilion, cvg.game_version.publisher, Sega
Alex Kidd in Miracle World, cvg.game_version.publisher, Sega
Sonic World Adventure, cvg.game_version.publisher, Sega
Devil's Crush, cvg.game_version.platform, Sega Mega Drive
Kid Chameleon, cvg.game_version.developer, Sega
The Third World War, cvg.game_version.platform, Sega Mega Drive
Bugs Bunny in Double Trouble, cvg.game_version.publisher, Sega
Golden Axe, cvg.game_version.developer, Sega
Goofy's Hysterical History Tour, cvg.game_version.platform, Sega Mega Drive
Nigel Mansell's World Championship, cvg.game_version.platform, Sega Mega Drive
Sonic at the Olympic Winter Games, cvg.game_version.publisher, Sega
Sonic Rivals, cvg.game_version.publisher, Sega
Miracle Warriors, cvg.game_version.developer, Sega
Golden Axe III, cvg.game_version.publisher, Sega
Dracula Unleashed, cvg.game_version.publisher, Sega
Zillion, cvg.game_version.developer, Sega
Sonic Shuffle, cvg.game_version.developer, Sega
Dee Dee Planet, cvg.game_version.publisher, Sega
Rez, cvg.game_version.publisher, Sega
Fantasy Zone, cvg.game_version.developer, Sega
Mind Quiz, cvg.game_version.developer, Sega
Battle Out Run, cvg.game_version.publisher, Sega
Astal, cvg.game_version.publisher, Sega
Initial D Arcade Stage 4, cvg.game_version.publisher, Sega
Shadow Squadron, cvg.game_version.developer, Sega
James Pond 2, cvg.game_version.platform, Sega Mega Drive
Amok, cvg.game_version.publisher, Sega
Gekitou Pro Yakyuu, cvg.game_version.publisher, Sega
World of Illusion Starring Mickey Mouse and Donald Duck, cvg.game_version.publisher, Sega
Flicky, cvg.game_version.publisher, Sega
Wacky Worlds, cvg.game_version.platform, Sega Mega Drive
High Seas Havoc, cvg.game_version.platform, Sega Mega Drive
Olympic Gold, cvg.game_version.developer, Sega
Machi, cvg.game_version.publisher, Sega
The Immortal, cvg.game_version.platform, Sega Mega Drive
Golden Axe Warrior, cvg.game_version.publisher, Sega
Universe at War: Earth Assault, cvg.game_version.publisher, Sega
Pocket Kingdom: Own the World, base.wikipedia_infobox.video_game.developer, Sega
Truxton, cvg.game_version.publisher, Sega
Secret Service 2, cvg.game_version.publisher, Activision Publishing Minneapolis
Dune II: Battle for Arrakis, cvg.game_version.platform, Sega Mega Drive
The House of the Dead: Overkill, cvg.game_version.publisher, Sega
Disney's Pocahontas, cvg.game_version.platform, Sega Mega Drive
Lunacy, cvg.game_version.developer, Sega
Darius II, cvg.game_version.platform, Sega Mega Drive
Ax Battler: A Legend of Golden Axe, cvg.game_version.publisher, Sega
Eternal Champions: Challenge from the Dark Side, cvg.game_version.platform, Sega Mega Drive
Death Duel, cvg.game_version.platform, Sega Mega Drive
Gain Ground, cvg.game_version.developer, Sega
Sonic Chaos, cvg.game_version.developer, Sega
Master of Monsters, cvg.game_version.platform, Sega Mega Drive
Kenseiden, cvg.game_version.publisher, Sega
Activision Publishing Minneapolis, cvg.cvg_developer.game_versions_developed, Wacky Worlds
Double Dragon, cvg.game_version.publisher, Sega
Eternal Champions, cvg.game_version.platform, Sega Mega Drive
Sewer Shark, cvg.game_version.publisher, Sega
Battle Frenzy, cvg.game_version.platform, Sega Mega Drive
After Burner, cvg.game_version.publisher, Sega
The Super Aquatic Games, cvg.game_version.platform, Sega Mega Drive
Dungeon Master II: The Legend of Skullkeep, cvg.game_version.platform, Sega Mega Drive
Phantasy Star II, cvg.game_version.publisher, Sega
Gods and Generals, cvg.game_version.publisher, Activision Publishing Minneapolis
Power Smash 4, cvg.game_version.publisher, Sega
World Championship Soccer 2, cvg.game_version.developer, Sega
Funny World & Balloon Boy, cvg.game_version.platform, Sega Mega Drive
The Tower SP, cvg.game_version.publisher, Sega
Crystal's Pony Tale, cvg.game_version.publisher, Sega
Nintendo World Cup, cvg.game_version.platform, Sega Mega Drive
Ooga Booga, cvg.game_version.publisher, Sega
Devilish, cvg.game_version.platform, Sega Mega Drive
The Revenge of Shinobi, cvg.game_version.platform, Sega Mega Drive
Ghen War, cvg.game_version.publisher, Sega
Deep Fear, cvg.game_version.publisher, Sega
Streets of Rage 2, cvg.game_version.publisher, Sega
Forgotten Worlds, cvg.game_version.publisher, Sega
After Burner, cvg.game_version.developer, Sega
Phantasy Star III: Generations of Doom, cvg.game_version.publisher, Sega
ESPN Speed World, cvg.game_version.platform, Sega Mega Drive
The Adventures of Willy Beamish, cvg.game_version.platform, Sega Mega Drive
Wrestle War, cvg.game_version.developer, Sega
Yakuza 3, cvg.game_version.publisher, Sega
Fatal Labyrinth, cvg.game_version.developer, Sega
Bahamut Senki, cvg.game_version.publisher, Sega
Guardian Heroes, cvg.game_version.publisher, Sega
Spider-Man: Return of the Sinister Six, cvg.game_version.publisher, Sega
Dark Savior, cvg.game_version.publisher, Sega
Phantasy Star, cvg.game_version.publisher, Sega
Wacky Worlds, cvg.game_version.game, Wacky Worlds Creativity Studio
Ecco Jr., cvg.game_version.publisher, Sega
Lemmings 2: The Tribes, cvg.game_version.platform, Sega Mega Drive
Alex Kidd in Shinobi World, cvg.game_version.publisher, Sega
Dangerous Seed, cvg.game_version.platform, Sega Mega Drive
Lord of the Sword, cvg.game_version.publisher, Sega
Fantasy Zone II: The Tears of Opa-Opa, cvg.game_version.developer, Sega
Fantasy Zone II: The Tears of Opa-Opa, cvg.game_version.publisher, Sega
Primal Rage, cvg.game_version.platform, Sega Mega Drive
Segata Sanshirou Shinken Yuugi, cvg.game_version.publisher, Sega
Cosmic Carnage, cvg.game_version.publisher, Sega
Strider, cvg.game_version.publisher, Sega
Virtua Cop 2, cvg.game_version.publisher, Sega
Sonic Adventure, cvg.game_version.publisher, Sega
G-LOC: Air Battle, cvg.game_version.publisher, Sega
Shining Soul 2, cvg.game_version.developer, Sega
Vectorman 2, cvg.game_version.publisher, Sega
Sega Swirl, cvg.game_version.publisher, Sega
Dynamite Dux, cvg.game_version.publisher, Sega
The Lost Vikings, cvg.game_version.platform, Sega Mega Drive
OutRunners, cvg.game_version.publisher, Sega
Outtrigger, cvg.game_version.publisher, Sega
Quackshot, cvg.game_version.publisher, Sega
Alex Kidd in Shinobi World, base.wikipedia_infobox.video_game.developer, Sega
Shining Wind, cvg.game_version.publisher, Sega
The Terminator, cvg.game_version.platform, Sega Mega Drive
Shin Megami Tensei, cvg.game_version.developer, Sega
Super Mario World, cvg.game_version.platform, Sega Mega Drive
Phantasy Star II: Kinds's Adventure, cvg.game_version.platform, Sega Mega Drive
Space Siege, cvg.game_version.publisher, Sega
Vectorman, cvg.game_version.publisher, Sega
Cosmic Fantasy Stories, cvg.game_version.platform, Sega Mega Drive
Super Monkey Ball 2, cvg.game_version.publisher, Sega
Sakura Wars, cvg.game_version.developer, Sega
Prince of Persia 2: The Shadow and the Flame, cvg.game_version.platform, Sega Mega Drive
ToeJam & Earl III: Mission to Earth, cvg.game_version.publisher, Sega
Sonic Blast, cvg.game_version.publisher, Sega
Dick Tracy, cvg.game_version.publisher, Sega
The Smurfs, cvg.game_version.developer, Sega
Up'n Down, cvg.game_version.publisher, Sega
Tapper, cvg.game_version.publisher, Sega
Ex-Mutants, cvg.game_version.platform, Sega Mega Drive
Dark Wizard, cvg.game_version.publisher, Sega
Fifth Phantom Saga, cvg.game_version.publisher, Sega
Alex Kidd in High-Tech World, cvg.game_version.publisher, Sega
Wild Woody, cvg.game_version.publisher, Sega
Eternal Champions: Challenge from the Dark Side, cvg.game_version.publisher, Sega
Sangokushi Taisen, cvg.game_version.publisher, Sega
Megami Tensei Gaiden: Last Bible, cvg.game_version.developer, Sega
Forgotten Worlds, cvg.game_version.platform, Sega Mega Drive
Power Drift, cvg.game_version.publisher, Sega
90 Minutes, cvg.game_version.publisher, Sega
Phantasy Star IV: The End of the Millennium, cvg.game_version.publisher, Sega
Streets of Rage, cvg.game_version.publisher, Sega
World of Illusion Starring Mickey Mouse and Donald Duck, cvg.game_version.developer, Sega
Super Mario World 2: Yoshi's Island, cvg.game_version.platform, Sega Mega Drive
Chaotix, cvg.game_version.publisher, Sega
Shining in the Darkness, cvg.game_version.publisher, Sega
Golden Axe II, cvg.game_version.developer, Sega
After Burner III, cvg.game_version.publisher, Sega
Columns, cvg.game_version.developer, Sega
Undead Line, cvg.game_version.platform, Sega Mega Drive
Mortal Kombat II, cvg.game_version.platform, Sega Mega Drive

Answer: Single-player video game