Oct 16, 2014 Today, Tripwire Interactive is pleased to announce that the Killing Floor Halloween Double Feature update is now available on Steam! A new. Mar 23, 2015 PROPHET – MULTi8 – ONE FTP LINK – TORRENT. Killing Floor is a Co-op Survival Horror FPS set in the devastated cities and countryside. Oct 24, 2012 Halloween has invaded the grimly fun zombie co-op shooter, Killing Floor. Starting now and running until Nov 6, Tripwire's meaty shooter will.