The only ones I know are:
Shadow-Win Doubles Tournament in Planet Super Stars on Sonic's World
Gum-Beat her in singles tourney in Planet Super Stars on the Space Channel thing.
Amy Rose- Win singles tourney on Sonic's World
Well that's all I know out a little bit.
:) Cheers and Snipe them bad guys Down
Chat with our AI personalities
There are sixteen playable characters:
Miles "Tails" Prower
Amy Rose
Dr. Eggman
Shadow the Hedgehog
Alex Kidd
Gilius Thunderhead (from Golden Axe)
Beat (from Jet Set Radio)
Gum (from Jet Set Radio)
Ulala (from Space Channel 5)
Pudding (Space Channel 5)
Amigo (from Samba de Amigo)
NiGHTS (from Nights into Dreams...)
Reala (from Nights into Dreams...)
Aiai (from Super Monkey Ball)
Meemee (from Super Monkey Ball)