What about Sonic Adventure 3? I dont think it would work... too many sonic characters and if one isn't put as playable then their fans will attack SEGA. And if they put every single sonic character, people would nag because there are too much sonic friends playable and stuff like that.
Sonic Heroes 2? No
Sonic And Mario at the World Apocalypse!
Sonic Storybook 3
Sonic And Sega All Stars Fighting
Sonic Universe..........
S&M@TWA:Team Sonic and Team Mario prepare to leave London when meteorites start falling. They try to escape it and go to the portal which leads to their dimensions, of course Sonic reaches the first to the portal but before leaving he heard someone saying "Mamamiya!" And knew who it was.. Mario. He went to see what happened what happened while the rest of both teams all go to the same dimension. Sonic saves mario from falling down from a pit and runs to the portal. Unfortunately for both, the portal closes and they are stuck in a disaster! Sonic got an idea of using the chaos emeralds and chaos control to their dimensions. But, unfortunately,Knuckles had the emeralds. Mario then explained to Sonic that in this planet there are 7 wonders of the world, and if they get to all of them in a month, a wish can come true. Sonic Levels are normal Unleashed/Colors/Generations Levels and Mario like Super Mario 3D Land.(without tanooki of course) Mario has new power ups while sonic learns new moves.
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Sonic Story Book 3:I really want a new storybook game, but idk what it should be about, Greece maybe?
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Sega All Stars Fighting:Like Smash Bros but with Sega characters, story mode(with dialogues)(explaining how they came together), Powerups, guest stars, levels from all over sega's franchises, hub worlds, shops, 2D/3D fighting, unlockable classic minigames and new minigames and other new stuff that doesnt make it look like a Smash Bros ripoff( like All Stars Racing/Sonic Drift and Mario Kart)
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And finally,
Sonic Universe:(I ran out of names!)Normal Sonic Stages, with New original zones and alot of them. Idk about the plot but a good one like.....(everything but Colors...and generations is good.)
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Those are just ideas, I am sure none of them will be made( Except for All stars fighting)
Edited by Tailsthefox, 20 November 2011 - 05:45 AM.