Nút sử dụng trong game:
‘E’ – open a main game menu.
‘F’ – switch flasglight, if you are human or nightvision, if you are zombie. (+lookatweapon)
‘SHIFT’ – plant lasermine, if addon exist.
‘R” – pick up lasermine, if addon exist.
‘CTRL’ + ‘SPACE’ – do leap jump or use it if you have a jetpack, if addon exist.
Do not move and press any button – for recovering HP, if you are zombie.