Press B + A +T during game play for an extra life, 99 rounds of ammo, and four diamond keys for the current level.

Press F9 during game play to display a fake DOS command prompt and hide the game. Press ESC to resume the game.

-Press A + 2 + ENTER during game play to enable cheat mode. Then, activate the following cheats by pressing F10 and the corresponding keys simultaneously:

-Alternately, start the game with the Keen4e.exe -nowait command line. Then, activate the following cheats by pressing F10 and the corresponding keys simultaneously:

CHEAT FUNCTION - KEY
Enter 1 to 15 to change border color - B
3000 points and 99 ammo - I
Add 0 to 8 VLBs - V
Disable memory usage - M
Flying jump - J
Pause game - P
End game - Z
God mode - G
Level select - W
Level skip - E
No clipping mode - N
Record demo - D
Show active and inactive object numbers in levels - C
Show hidden areas - Y
Skip to the game ending - DEN
Slow motion - S
Sprite test - T

Start the game with Keen4e.exe /TEDLEVEL <level number> command line. You will start the selected level under the Normal difficulty setting with infinite lives and no prompt to exit. Completing the level will exit the game:

LEVEL - LEVEL NUMBER
Border Village - 01
Slug Village - 02
The Perilous Pit - 03
Cave of the Descendents - 04
Chasm of Chills - 05
Crystalus - 06
Hillville - 07
Sand Yego - 08
Miragia - 09
Lifewater Oasis - 10
Pyramid of the Moons - 11
Pyramid of Shadows - 12
Pyramid of the Gnosticene Ancients - 13
Pyramid of the Forbidden - 14
Isle of Tar - 15
Isle of Fire - 16
Well of Wishes - 17
Bean-with-Bacon Megarocket - 18