Killing Floor has just been updated to include the Twisted Christmas content!

Tripwire continues its long standing tradition of massive free content packs with the Twisted Christmas 2 Content Pack. The features an all new level, Ice Cave, as well as brand new Twisted Christmas music to get you in the holiday spirit. But wait - there's more! Santa is bringing even more gifts - the Winter Weapon Pack, with six brand new weapons complete with new achievements, free to everyone who owns the game. Returning from last year's event we have Christmas themed specimens replacing all of the regular baddies, Santas Evil Lair, Christmas themed achievements and the chance for those who missed unlocking the special Baddest Santa character last year to grab him this time around.