Within a couple hours, most people turned into zombies. What happened? Was it a human-developed virus? Or did a virus appeared from a meteorite that has crashed near the city that no one knows about. But you need to do something and it shall be done. The city was quickly divided into sectors and these sectors are surrounded by walls. You, the only one alive, are not yet a zombie. So grab a weapon and destroy them.
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