Once again, strange sounds are heard emanating from basements. You're sent to check it out, and encounter heaps of zombies which are not afraid to leave the basement. There are lots of weapons down there, so use them to keep the zombies from rising up to the city.
Control keys:
F - Pick up weapons, ammo
1,2,3 ... Change weapons
WASD - Character movement
SPACEBAR - Jump
SHIFT - Sprint
Esc - Exit to the menu
LKM - Shoot