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Killing Floor (2009 video game)

Killing Floor
Killing Floor Logo.png
Developer(s) Shatterline Productions (mod)
Tripwire Interactive
Publisher(s) Tripwire Interactive
Distributor(s) Valve Corporation (digital)
Engine Heavily modified Unreal Engine 2.5
Platform(s) Microsoft Windows
OS X
Linux
Release date(s) 2005 (mod)
May 14, 2009 (retail)
Genre(s) First-person shooter
Mode(s) Single-player, multiplayer
Aggregate scores
Aggregator Score
GameRankings 72.67% (24 reviews)
Metacritic 72/100 (30 reviews)
Review scores
Publication Score
Eurogamer 7/10
GameSpot 7.5/10
IGN 7.5/10

Killing Floor is a cooperative first-person shooter video game developed and published by Tripwire Interactive. It was originally released as an Unreal Tournament 2004 mod in 2005. Retail release followed on May 14, 2009, for Microsoft Windows, and for OS X on May 5, 2010. The Linux version was released on the Steam platform in November 2012. A sequel was announced on May 8, 2014.

Killing Floor is a first person shooter, allowing each player to move through a 3D environment. Gameplay consists of two game types: Killing Floor and Objective Mode. In Killing Floor Mode, the player fights waves of zombie-like specimens, or ZEDs, with each wave becoming successively more difficult, until it concludes with a battle against a "boss" specimen, called the Patriarch. Objective Mode poses different challenges in addition to fighting against the zombie specimens. Players earn in-game money for each kill, as well as for surviving to the end of a wave. In the time between each waves, players can visit a trader to buy and sell ammo, armor, and additional weapons, such as katanas, pipe bombs, flamethrowers, shotguns, and so forth; the Trader's location on the level varies at the end of each wave, discouraging players from camping in one location. Weapons may also be found randomly across the level. Players are encouraged to work together; they can trade items and drop money, healing is more effective on other players than on oneself, and the team can strategically weld doors shut to provide a temporary barrier from the oncoming horde while funneling the other creatures to specific areas.

Players select one of seven perks at the start of a match and between rounds. The perk, similar to the idea of a character class, provides bonuses towards certain weapon types, armor, movement, and other factors. Players can level up each perk to increase the benefits it offers. For example, the "Sharpshooter" perk, which provides accuracy benefits when using scoped rifles, can be raised in level by completing a number of headshots with specific weapons. The player does not need to play with that perk to raise its level. For example, the Field Medic perk requires the player to heal a number of points to level up, but this can also be done while playing any of the other perks.


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