Use a text editor to edit the “options.txt” file in
the game directory.
Type in “options.txt” cheat_keys 1
Type the following Codes during gameplay:
A - All Weapons, Lives, maximal Ammo
F - Clipping Mode
Note: This procedure involves editing a game file; create
a backup copy of the file before proceeding. Use a text editor
to edit the “options.txt” file in the game directory. Add the
following lines to unlock all levels:
“ep_solved 15” and “lev_solved 131071”.