Note: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the "difficulty.cfg" file in the "\Velvet Assassin\aio\" directory. Edit the various files as desired to change the game. For example, change the "NPCDamage = 1" to "NPCDamage = 0". You can also change the values in the "weapons.cfg" file in the same directory to adjust the weapons.
While playing the game, hold [Ctrl] + [Shift] + O + E and press H to enable cheat mode. Then, press one of the following keys to activate the corresponding cheat function:
| Result | |
| Toggle God mode | |
| Toggle Fly mode | |
| Toggle visibility | |
| Maximum armor | |
| Maximum ammo for current weapon | |
| +1,000 experience points | |
| Intended upgrade attributes | |
| Spawn explosives | |
| Spawn gas mask | |
| Spawn morphine | |
| Spawn next handgun | |
| Spawn next rifle |