While playing the game, press ~ to display the console window. Then, type one of the following codes and press [Enter] to activate the corresponding cheat function.

Effect	Code
Skip to level 10	map drm22
Skip to level 11	map drm24
Skip to level 12	map drm25
Skip to level 13	map drm26
Skip to level 14	map drm31
Skip to level 15	map drm31a
Skip to level 16	map drm32
Skip to level 17	map drm33
Skip to level 18	map drm34
Skip to level 19	map drm36
Skip to level 1	map drm10
Skip to level 20	map drm37
Skip to level 21	map drm41
Skip to level 22	map drm43
Skip to level 23	map drm44
Skip to level 2	map drm10a
Skip to level 3	map drm11
Skip to level 4	map drm12
Skip to level 5	map drm13
Skip to level 6	map drm14
Skip to level 7	map drm15
Skip to level 8	map drm21
Skip to level 9	map drm21a
Toggle GUI map	gui_show_map [0 or 1]
Toggle God mode	godmode [0 or 1]
Toggle all weapons with maximum ammunition	giveall [0 or 1]
Toggle debug mode	debug [0 or 1]
Toggle infinite ammunition	unlimited_ammo [0 or 1]