At the character selct screen hit Left, Up, Right, Down, Left+Select.
Fight Against Smoke:
At the character select screen hit Up, Left, Up, Up, Right+Select.
Fight against Jade:
Up, Down, Down, Left, Right+Select.
Up, Down, Down, Right, Right+Select.
Fight Shao Kahn:
Right, Up, Up, Right, Left+Select.
Fight Noob Saibot:
Left, Up, Down, Down, Right+Select.
Pong mini game:
Win 250 vs. mode matches.
Fight as Smoke:
Win 50 two player matches.
Get close and hit Foward, Foward, Down, X.
Block, Block, Block, Block, B.
Johnny Cage Fatality:
Get close and hit Foward, Foward, Down, Up.
Liu Kang Fatality:
Foward, Foward, Back, Down, X.
Get close, Forward, Forward, Down, X.
Block, Up, Up, Y.