You have been pinned down in a confined building by raiding zombies. All you have for defense are a few simple barricades in front of the entrances and a hand gun.
Fend off the pathetic zombie attacks and use the money you earn to upgrade your weapons and defenses. Only if you put the years of SAS training to practice will you be able to survive the next zombie wave.
Fend off the zombie attacks, use the money you earn on upgrading your defensive capabilities.
Use the WASD (Arrow keys) to move around. Aim and fire with the mouse.
R (Page down) to reload your weapon.
Q (Del) and E (End) to cycle through the weapons.
To repair a barricade stand close to it and press F (Home).
Press space (Page up) to enter the upgrade menu.
