Borderlands - Borderlands is a science fiction first-person shooter with RPG elements made with cel-shaded...
Dead Frontier - Dead Frontier is among the few zombie based video games that you can obtain in your web browser and for free.
Bulletstorm - In this sci-fi first person shooter, players take on the role of mercenary Grayson Hunt in an attempt to get off a hostile alien planet and get a little bit of vengeance along the way.
7 Days to Die - 7 Days to Die is a post-apocalyptic survival game, during which players must craft shelters and horde resources in order to survive waves of undead enemies. Read more about 7 Days to Die.
Urban Terror - Urban Terror started as a realism based "total conversion" mod for Quake III Arena.
DayZ - DayZ is an open world multiplayer survival game that tosses you in the midst of a zombie apocalypse.