ZombiU - Zombi U is an Addictive, Action-Adventure, Horror-Survival, FPS (First-person Shooter), Single and Multiplayer video game developed and published by Ubisoft.
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
Dead Frontier - Dead Frontier is among the few zombie based video games that you can obtain in your web browser and for free.
Quake - Quake is a series of first-person shooter video games released by id Software.
Counter-Strike - Counter-Strike is a PC-exclusive FPS video game developed by Valve Corporation.
State of Decay - State of Decay mixes the open world genre using a zombie out-break to create among the largest and most remarkable games in the genre to date.