While playing, hold [CTRL] + [SHIFT] + [O] + [E] and then press [H] to activate Developer mode. You can then press any of the following cheat keys.
|N||Maximum Ammo for Current Weapon|
|1||Give Next Rifle|
|2||Give Next Handgun|
|5||Give Gas Mask|
|7||Intended Upgrade Attributes|
|8||Add 1000 EXP|
|X||Toggle Fly Mode|
Browse to your Velvet Assassin\aio\ folder and open the difficulty.cfg file using Notepad. You can alter any of the entries in this file to suit your needs. For example, change:
NPCDamage = 1
NPCDamage = 0
...for Invulnerability. Note that you can also alter other files in this folder such as weapons.cfg to make further adjustments to your game.
(supplied by: johhnjohhn)
Enemies Cannot See Violet (even in light)
Open the enemy files in the install\aio\enemyclasses folder using Notepad. Set all the FOV stats to 0 and the enemy will be blind to Violet. She will only be detected if you bump into them.
(supplied by: Keeper08)