Cheat Codes:
Note: This procedure requires editing a game file; creating a backup copy of the file before proceeding is recommended. Using a text editor, edit the “game.ini” file in the game directory. To unlock a level selection option, change the value of the “QuickBoot=” line from “0” to “1”. To unlock a debug menu, change the value of the “ShowVersion=” line from “0” to “1”. Also add a line containing “EnableDebugMenu=1” to the file. The debug menu includes the following options:
Unlock all levels
Jump to End of Level
Collect All Lemons
Soak test
Invulnerability