Be sure and follow Tripwire on social media for all of the latest sales information! Killing Floor 2: Day of the Zed Update Highlights : To celebrate today’s Day of the Zed update, Killing Floor 2 will be on sale across all platforms in various Halloween promotions later in October. Out now for the PlayStation®4 computer entertainment system, Xbox One family of devices including the Xbox One X, and PC via Steam or the Epic Games Store, today’s free update for the first-person shooter, co-op action title brings a cornucopia of spooky new content for players to sink their teeth into, including the new Netherhold map, weekly game modes Wild West London and Abandon All Hope, weapons, cosmetics, and the return Halloween-themed Zed variants! Developer Tripwire Interactive is starting Halloween celebrations early with today’s launch of the Killing Floor 2 Day of the Zed Halloween update.