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About Killing Floor 2

Killing Floor 2 is a first-person shooter video game developed by Tripwire Interactive. It is a sequel to the 2009 video game Killing Floor. An early access version of the game was released for Microsoft Windows via digital distribution service Steam on April 21, 2015. The full version is scheduled for release in 2016 on Windows, Linux, and PlayStation 4. The game utilizes a heavily modified version of Epic Games' Unreal Engine 3.


Killing Floor 2 is a first-person shooter video game, that can be played alone or cooperatively with up to six players. The game is based on events from Killing Floor, in which a deadly outbreak from the bio-technology firm Horzine created Zeds (zombie-like creatures) that rapidly spread across Europe, paralyzing the response from the European Union. Within Killing Floor 2, taking place a month after the first game, the outbreak has spread beyond Europe, causing governments to collapse and communication systems to fail. Gameplay consists of players fighting through waves against Zeds. As waves pass, the enemy count, which scales with the number of players in the game, will increase and different enemy types are introduced with the final wave culminating in a boss fight. The boss character will be determined randomly upon the start of the last wave, with each boss have different strategies for defeating it. Players are equipped with melee weapons and firearms, a healing syringe, and a welder used to block passages. Random weapons, ammo, and armor can be found by exploring the level, though players have a limited amount of weight they can carry. When players kill a Zed, they earn in-game money and experience points. Achieving certain types of kills, such as a head shot, will cause the game to enter "zed time", a few seconds where all game actions for all players are slowed down, which for players can be used to carefully aim their next shot or start a different course of action. The player can take damage from the various Zeds, which can be restored using their own medical syringe on themselves or having another character use theirs, among other regenerative items. Once a player's health is drained, the player-character will die and they will not respawn until the end of the current wave; the mission is failed if all players are dead simultaneously. Players gain a monetary bonus for surviving a round, which they can use to buy and sell body armor, ammo, and weapons at a store that is only open for a limited time between rounds. Game matches can be configured based on the number of rounds before the boss fight, and over four difficulty levels. A patch to be released in early 2016 will include a dynamic difficulty option, where a computer-based "Game Controller" will be able to alter the strength of subsequent waves, either making them easier or harder, based on the players' current performance. Prior to starting a game match, the player selects one of several perks representing basic combat classes (such as "field medic", "commando", or "support") that have various skill boosts, such as better damage with specific weapon types, healing other characters, or welding doors more effectively. In the meta-game, players earn experience points for their character towards gaining experience levels any of the perks by doing actions related to those perk classes; for example, healing other players will gain "field medic" experience even if the player is not using the "field medic" perk. Most experience is earned by using weapons specific to that class, such as explosive weapons for the "demolitions" class. Each level boosts the base skill statistics of the player's character when they use that perk, while every five levels, the player will be able to select one of two specific skills to enable for their character. Skills include a mix of passive and active abilities, including some that can benefit the other team members. Players also have the ability to configure their in-game character through a number of pre-made personas and options for clothing coloration and accessories, though these have no impact on gameplay. An April 2016 patch added a player-vs-player mode, in which one or more players take on the role of a Zed to kill the mercenary players. The Zed based players will be able to use the abilities of the Zeds as they are in game, such as a Stalker Zed remaining invisible while not charging.


Killing Floor 2 is being developed by Tripwire Interactive, who began work following the release of their 2011 video game Red Orchestra 2: Heroes of Stalingrad. The game was announced for Microsoft Windows and Linux by PC Gamer on 8 May 2014. Tripwire president John Gibson stated that Killing Floor 2 is the first time that they had been able to develop a game with what he thought was a reasonable team size and budget. The original Killing Floor was developed by ten people in a three-month period; by 2014 the studio had expanded to a team of fifty employees. The game is being developed using heavily modified Unreal Engine 3. The developers considered using Unreal Engine 4 but decided against it as they didn't want to scrap their current work in progress and because of concerns that the game might not scale down to run on lower end computers. However, they brought some UE4 features to the game. The team launched the game on Steam's Early Access program to get feedback from players on weapon and perk balance. The increased budget meant that this was the first project where Tripwire could use motion capture. Motion capture was recorded in San Diego at Sony Computer Entertainment's motion capture studio and the process was used for creature animations and weapon animations in both first- and third-person perspectives. This allowed them to record high frame rate weapon animations for additional detail and fidelity in Zed Time, a slow motion mechanic used in the series. The team aimed to designs guns that feel realistic but capture the authenticity of games they had previously developed. They researched firearm speed reloading to create multiple reload animations, and matched the rate of fire of the game guns to their real life counterparts. Three focal points of the game's initial design were bullets, blades, and blood. These pillars lead to the creation of the M.E.A.T. (massive evisceration and trauma) system to depict dynamic gore and detailed graphic violence. Art and creative directors, David Hensley and Bill Munk both cited Soldier of Fortune's GHOUL system as an inspiration for the M.E.A.T. system employed by Tripwire. Bloodstains are a permanent fixture on maps in Killing Floor 2. Instead of blood being rendered as a texture that is projected onto objects in the world, they created a system which, in real time, modifies splatter map textures covering the map to display blood with little rendering overhead. In the original Killing Floor each of the enemy specimens had five individual points of dismemberment; in Killing Floor 2 this number of points has been increased to twenty-two to provide substantially more variety in the dismemberment animations. In Zed time, all colours except red become desaturated to enhance the visuals of the blood and gore. The game also features dynamic and destructible lights and other breakable objects, which didn't exist in the first game. The melee combat has been revamped with the addition of a blocking mechanism; attack motions are now dictated by the player character's direction of movement. Tripwire are also introducing a new perk progression system, that allows for more customisation. To alleviate the perk levelling grind from the first game, the number of levels has been increased drastically to allow players to level up more regularly. Each perk now has configurable skills along with passive bonuses. Tripwire are planning to implement support for Steam Workshop and release a software development kit to allow for extensive modding. The game's soundtrack features a mix of original compositions and licensed rock and metal tracks. A PlayStation 4 version was announced on December 6, 2014, at the PlayStation Experience. Gibson addressed concerns from PC fans about the console release and reassured them that it won't compromise the experience. In November 2015, Tripwire added a in-game store to allow players to purchase cosmetic items for their characters via microtransactions that otherwise had no affect on gameplay. Many players expressed concern with this addition, as the game at this point had not left Early Access, and that a similar situation had recently occurred with Payday 2 by Overkill Software where the addition of micropayment-based content was met with harsh feedback. Tripwire replied to its player base that the decision to add this feature now was to get feedback to make the transition from Early Access to a final release seamless, and that while it will also add game-changing content like new weapons, these will be treated as shared content that all players on the same server would enjoy. In March 2016, Tripwire updated the game on PCs to include support for Steam Workshop support, allowing users to provide their own maps, weapons, character models, and other modifications.


Following PC Gamer's coverage and reveal of Killing Floor 2, they announced that subscribers to the US version of their magazine would receive an exclusive character skin in Issue #254. The next day Tripwire released a teaser trailer for the game. In June and August 2014, Tripwire released two videos showcasing a selection of the enemy specimens featured in the game. On 31 July 2014, Iceberg Interactive announced a partnership Tripwire to bring Killing Floor 2 to retail stores in Europe and other non-Steam digital platforms. On 18 February 2015, Tripwire released a live action short film, titled Killing Floor: Uncovered, created in collaboration with film production company Type AB. The film is set prior to the events of the first Killing Floor game and details the events that lead to the Zed outbreak. On April 10, Tripwire gave away keys for an existing beta version of Killing Floor 2 that ran until April 16. On April 21, an early access version of the game was released on Steam for Windows. Meanwhile, the full version of the game is scheduled to be released on both PS4 and PC in 2016. The game's original soundtrack was released on the same day, under record label Solid State with songs from Living Sacrifice, Demon Hunter, and Impending Doom. A Digital Deluxe Edition of the game is available; bonus features include the soundtrack, a digital artbook, several in-game virtual items, and a copy of the original Killing Floor game.


The soundtrack for Killing Floor 2 was released on April 21, 2015, by Solid State Records. It features original compositions by zYnthetic as well as metal tracks from a variety of artists. Jørn Tillnes of Soundtrack Geek gave the soundtrack a 9/10 and noted, "This is a very cool and different kind of score. There's no orchestral or epic moment here, just pure industrial metal. It’s not great all the time, but you can’t beat the feeling you get when listening to this. It's a score that’s dying to be put inside a cool game which I think Killing Floor 2 is."