Write down your favorite codes on a sticky note. By the time you reach Mission 9 (the sewer level), trust us – you’ll need KillAll just to save your sanity.
Only SigmaForever is a real, working code aside from those listed above.
: Removes the gamma setting from the level, often resulting in a high-contrast or black-and-white visual style. : Toggles the on-screen game statistics on or off. Audio Controls : Skips forward to the music track number specified by "x". : Stops the music track currently playing.
Purchase a legitimate license via Kinguin or GamersGate to receive an activation key for Steam.
