This product includes Killing Floor 2. The top 3 reasons to play Killing Floor 2 Unique Blend of Weaponry. Expanded Perk System. Mixer Integration. About Killing Floor 2 In KILLING FLOOR 2, players descend into continental Europe after it has been overrun by horrific, murderous clones called Zeds that were created by rogue elements of the Horzine Corporation. The Zed outbreak caused by Horzine’s failed experiments has quickly spread with unstoppable momentum, paralyzing the European Union. Only a month ago, the first Zed outbreak from the original KILLING FLOOR ripped throu