(last update - Oct 29 2007)
Total current cheats: 4
print meCharacter Taunts
Dhalsim: While in the air press Forward, Forward, Up, Up, Back, Up, Back.
Sakura: press Low Kick, Low Kick, Back, Low Punch, High Punch.
Skullomania: press Forward, Forward+Down, Down, Back+Down, Back, Back+Up, Up, Forward+Up and any Punch.
print meUnlocking characters
Keep passing tests in practice mode and you'll eventually unlock some hidden characters such as Evil Ryu, Shin Bison and even Shin Garuda and more.
print meBonus Game
Press Select, Up, Up, Right, Up, Right, Up and Select at practice mode. Enter the practice mode, and there you will see your new bonus game.
print meHidden Characters
Go to the Mode Select screen and highlight Practice. Then press Select, UP, RIGHT, DOWN, RIGHT, Select.