Enter these codes at the fighter selection screen. You must press the button sequences fairly rapidly, just as you would when entering a sequence of buttons for a special move. if entered successfully, you will hear an explosion sound effect.

For Joystick:
U D U D U D L R L - Unlimited Continues
U D PK-SK - Disco Mode
U+L U D D+R - Limb Loss
Highlight Psyclopps And Enter PK PP SK PP - Fight As Shrapp
Highlight Carnigore And Enter SK PP PK - Fight As Carnigore

For Keyboard For Player One:
W S W S W S A D A - Unlimited Continues
W D J-L - Disco Mode
W+A W S S+D - Limb Loss
Highlight Psyclopps And Enter J I L I - Fight As Shrapp
Highlight Carnigore And Enter L I J - Fight As Carnigore