CONTROLS
W A S DMove (arrows also work)
MouseLook and aim
Left clickFire (hold for automatic)
Right clickZoom / steady aim
SpaceJump
ShiftSprint
EUse: open doors, find secret walls
1 – 6 / WheelChoose weapon · Q last weapon
FFlashlight
TabHold for full map
EscPause
Find keycards to open colored doors, then reach the glowing EXIT pad. Shoot red barrels to blow up nearby enemies. Headshots do double damage. Some walls are not what they seem: press E on suspicious walls.