Enter the codes at the character selection screen.
| Secret options | Hold L and press C-Up, C-Right, C-Left, C-Down, B, and A |
| Sumo Santa | Hold L and press A, C-Down, C-Right, C-Up, C-Left, and B |
| Dr. Kiln | Hold L and press B, C-Left, C-Up, C-Right, C-Down, and A |
| Boogerman | Hold L and press Up, Right, Down, Left, Right, Left |
| Random Characters | Press L + R |
| 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 and press A, B, A, B, A, B, C-Left, C-Right, C-Up, C-Right, C-Left, C-Right |
| Alternate costume colors | Press A or C-Down |
