No introduction sequence
Start the game with the "skip" command line parameter.
Cheat mode
Enter one of the following codes to activate the corresponding cheat function.
| All weapons, temporary invincibility | [Ctrl] + R + E + N |
| Level select | [Alt] + L, <episode and level number> |
| Display coordinates | [Ctrl] + [Alt] + [Right Shift] + [F12] |
| Teleport | [Alt] + =, <coordinates> |
| Full energy | B + I + G |
Note: Activating the "Full energy" code will reset your score to 0.