Full health, ammunition; all weapons, keys
Press L + I + M during game play. Note: Your score will reset to zero after this cheat is enabled.
Commander Keen cheat message
Press A + B + T during game play.
Music test
Hold M at the memory screen that appears while the game loads. A music menu option will appear after the game finishes loading.
first cheat:Easter Egg !!! (on some versions) :
Level select
Start the game with the "-tedlevel"<mission number> command line parameter.
Cheat mode
Start the game with the "-debugmode" command line parameter. Press [Left Shift] + [Alt] + [Backspace] to enable debug mode. Enter one of the following codes to enable the corresponding cheat function.
| Change border color | [Tab] + B |
| Display number of items, doors, and actors | [Tab] + C |
| Level skip | [Tab] + E |
| Displays coordinates | [Tab] + F |
| Toggle God mode | [Tab] + G |
| Lose health | [Tab] + H |
| Free items | [Tab] + I |
| Display memory usage | [Tab] + M |
| Walk through walls. | [Tab] + N |
| Pause without message | [Tab] + P |
| Exit game | [Tab] + Q |
| Toggle slow motion | [Tab] + S |
| View graphics and play sounds | [Tab] + T |
| Add extra VBLs | [Tab] + V |
| Level select | [Tab] + W |
| Extra stuff | [Tab] + X |