Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
ZombiU - Zombi U is an Addictive, Action-Adventure, Horror-Survival, FPS (First-person Shooter), Single and Multiplayer video game developed and published by Ubisoft.
Quake - Quake is a series of first-person shooter video games released by id Software.
Dead Frontier - Dead Frontier is among the few zombie based video games that you can obtain in your web browser and for free.
Counter-Strike - Counter-Strike is a PC-exclusive FPS video game developed by Valve Corporation.
Doom - Doom is a science fiction horror-themed first-person shooter video game in which players assume the...