Quarantine

Quarantine is a dark first-person shooter in which you play as a scientist on a doomed space station. After trying to find a cure for cancer, the experiments gone wrong and everyone turned into zombies. Armed with a laser your only goal is to eliminate all the zombies from the space station and return to Earth safely. 

Controls:
W-A-S-D - Move around
Mouse - Look around
Mouse left click - Shoot lazer blast
Mouse right click - Activate flash light
Escape - Quit the game