Killing Floor 2 (abbreviated as KF 2) is an upcoming first-person shooter video game developed by Tripwire Interactive. It is a sequel to the 2009 video game Killing Floor, which was originally released as an Unreal Tournament 2004 mod in 2005. The game utilizes Epic Games' Unreal Engine 3 and will be released for Microsoft Windows, Linux and PlayStation 4 in 2015.
Killing Floor 2 is a first-person shooter video game, that can be played alone or cooperatively with up to six players. Gameplay consists of players fighting through waves against zombie-like specimens, known as Zeds. Players are equipped with melee weapons and firearms used to kill enemies, a healing syringe used to heal themselves and team-mates, and a welder used to block entrances and exits. Once a player dies they will not respawn until the end of the current wave; the mission is failed if all players are dead simultaneously. As waves pass, the enemy count will increase and different enemy types are introduced with the final wave culminating in a boss fight. The game has four difficulty levels.
The game will feature ten perks, with four weapon tiers spread across them. Each perk provides the player with a set of passive bonuses and skills.