Activate the following cheats by entering the corresponding codes. Note: Hold the keys in order:
CHEAT FUNCTION - CHEAT CODE God mode - CTRL + ALT + I Level skip - CTRL + ALT + N Save .PCX format screen shot - CTRL + ALT + S Full ammo, health, and flame thrower - CTRL + ALT + F Extra life - CTRL + ALT + L
Press F10 during game play. Then, activate the following cehats by pressing the corresponding keys:
CHEAT FUNCTION - KEY Exit - ESC Move forward - UP Move backward - DOWN Turn left - LEFT turn right - RIGHT Move forward fast - CTRL + UP Move backward fast - CTRL + DOWN Strafe left - CTRL + LEFT Strafe right - CTRL + RIGHT Position - P Toggle music - M Enlarge view window - PLUS Reduce view window - MINUS Increase turning sensitivity - 1 Decrease turning sensitivity - 2 Increase movement sensitivity - 3 Decrease movement sensitivity - 4 Duck - D Jump (fly) - F Transport slave to safety - T Save game to slot 1 - F1 Save game to slot 2 - F2 Save game to slot 3 - F3 Save game to slot 4 - F4 Restore game from slot 1 - ALT + F1 Restore game from slot 2 - ALT + F2 Restore game from slot 3 - ALT + F3 Restore game from slot 4 - ALT + F4 Select weapon - F5 Toggle high/low resolution - F6 Toggle stereographic mode in registered version - F7 Fire - SPACE Move forward - Drag Right Mouse Button Open door - Click Right Mouse Button
Press T whenstanding near a slave causes the slave to be transported to safety, and you will get 100 points added to your score. At the end of the level you earn an additional 500 points for each 5% portion of the slaves you have successfully freed.