We've posted up the official launch trailer for Tripwire Interactive's Killing Floor
, a survival horror co-op first-person shooter in the tradition of Left 4 Dead.
Set in the cities and countryside of a devastated London, you and your crew will be facing off against genetic experiments gone wrong with six-player co-operative play, 16 different weapons and a series of gained perks through an XP system.
You can check out the launch trailer here
, and be sure to hit up the Steam Store on May 15 to grab the game when it officially launches. For more info and screens, hit up our game page