Enter the codes at the character selections screen.
| Fight as Boogerman | Hold Z and press B, B, C-Right, C-Right, C-Left, C-Left |
| Fight as Earthworm Jim | Hold Z and press B, C-Left , C-Up , C-Right , C-Down , C-Up |
| Fight as High Five | Hold Z and press C-Up, C-Down, C-Left, C-Right, B, A |
| Fight as Sumo Santa | Hold Z and press A, C-Right, A, C-Right, C-Down, C-Up |
| CPU control | Hold L and press A, A, A, A, A, C-Up, C-Down, C-Left, C-Left, B, A, C-Right |
| Programmer's mode | Hold L, press A, B, A, B, A, B, C-Left, C-Right, C-Up, C-Right, C-Left, C-Right |
| Alternate character color | Hightlight the character and press C-Down |
| Random character | Press L + R |
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