While playing, press any of these sequences to activate the desired cheat.
Code Effect
F10-E End level
F10-G Invulnerability
F10-I 99 ammo, all keys and items
F10-J press and mouse and you can fly
F10-N no clipping, but you die, if you leave the level
F10-W Warp to any level
F10-Z Background turns grey and all secret ways will be visible
F10-D Records a demo, pressing F10-D again to save the demo.
