Hit [F8], enter a code, then hit [ENTER].
| MADBANAPEEL | fly mode off. |
| MADCASTLEARRGH | ends level. |
| MADMAX | invulnerability. |
| MADMAXAMILLION | a million dollars. |
| MADMECHASTREISAND | maximum ammo. |
| MADRUBYSLIPPERS | fly mode on. |
Do you not see the In The Zone panel to the left? |