While playing the game, press ~ to display the console. Then, type one of the following codes and press [Enter] to activate the corresponding cheat function:
| Result | Cheat Code |
| God mode | thetrooper |
| Infinite ammunition | diewithyourbootson |
| Reload ammunition | sunandsteel |
| Invisibility | stilllife |
| 8 artillery rounds | revelations |
Start the game with one of the following command line parameters to activate the corresponding cheat function:
| Result | Command Line Parameter |
| Record demo in single player mode | /r |
| Play back demo | /p [filename] |
| Enable save scores mode | /s |
| Get system information | /sys |
| Read resources from directory instead of pff | /d |
| Display command line parameter options | /? |
While playing the game, press ' to display the console. Then, type one of the following codes and press [Enter] to activate the corresponding cheat function:
| Result | Cheat Code |
| God mode | imnotafraidtofight |