Cheat Codes
Start the game with the "-goobers" command line parameter. Then while playing a game, press [Left Shift] + [Alt] + [Backspace] to enable debug mode. Then, enter one of the following codes to activate the corresponding cheat function:| Result | Cheat Code | | Change border color | [Tab] + B | | Display number of items, doors, and actors | [Tab] + C | | Skip two levels | [Tab] + E | | Displays coordinates | [Tab] + F | | Toggle God mode | [Tab] + G | | Lose health | [Tab] + H | | Free items | [Tab] + I | | Display memory usage | [Tab] + M | | 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 |
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Commander Keen Cheat Message
While playing a game, press A + B + T. |
Difficulty Select
Start the game with the "-baby", "-easy", "-normal", or "-hard" command line parameters. |
Full Health, Ammunition, Keys, And Chain Gun
While playing a game, press L + I + M.
Note: Your score will reset to zero after this cheat is enabled. |
Infinite Ammunition, Invincibility, All Keys
While playing a game, press M + L + S. |
Infinite Lives
Start the game with the "Level select" and "Difficulty select" command line parameters. |
Level Select
Start the game with the "-tedlevel [level number]" command line parameter. The level number is a two digit number with the tens digit representing the episode minus one and the ones digit representing the level number minus one. |
Music Test
At the memory screen that appears while the game loads, hold M. Then three music menu options will appear after the game finishes loading. |
