KILLING FLOOR 2 DAY OF THE ZED Halloween Update Brings Cowboys and Zombies To The Horror Shooter - Tripwire Interactive Starts Halloween Early with New Map, Weekly Game Modes, Weapons, and More! Developer  Tripwire Interactive is starting Halloween celebrations early with today’s launch of the Killing Floor 2 Day of the Zed Halloween update. Out now for the PlayStation®4 computer entertainment... Continue Reading →