6-player co-op survival horror at its finest! Free updates, free special events and a ridiculous amount of fun!
User reviews:
Recent:
Very Positive (416 reviews) - 91% of the 416 user reviews in the last 30 days are positive.
Overall:
Overwhelmingly Positive (43,840 reviews) - 96% of the 43,840 user reviews for this game are positive.
Release Date: 14 May, 2009

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Buy Killing Floor 6-pack

Includes six copies of Killing Floor - Send the extra copies to your friends!

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Packages that include this game

Buy Killing Floor Bundle

Includes 22 items: Killing Floor, Killing Floor "London's Finest" Character Pack, Killing Floor - Ash Harding Character Pack, Killing Floor - Camo Weapon Pack, Killing Floor - Community Weapon Pack, Killing Floor - Community Weapon Pack 2, Killing Floor - Community Weapons Pack 3 - Us Versus Them Total Conflict Pack, Killing Floor - Golden Weapon Pack 2, Killing Floor - Golden Weapons Pack, Killing Floor - Harold Lott Character Pack, Killing Floor - Mrs Foster Pack, Killing Floor - Neon Character Pack, Killing Floor - Neon Weapon Pack, Killing Floor - Reggie the Rocker Character Pack, Killing Floor - Robot Special Character Pack, Killing Floor - Steampunk Character Pack 2, Killing Floor - The Chickenator Pack, Killing Floor - Urban Nightmare Character Pack, Killing Floor Outbreak Character Pack, Killing Floor: Nightfall Character Pack, Killing Floor: PostMortem Character Pack, Killing Floor: Steampunk Character Pack

SUMMER SALE! Offer ends 4 July

-75%
¥ 6,980
¥ 1,745

Buy Tripwire Bundle - March 2014

Includes 24 items: Dwarfs!?, The Ball, Red Orchestra: Ostfront 41-45, Red Orchestra 2: Heroes of Stalingrad with Rising Storm, Rising Storm Game of the Year Edition, Killing Floor, Killing Floor Outbreak Character Pack, Killing Floor: Nightfall Character Pack, Killing Floor: PostMortem Character Pack, Killing Floor "London's Finest" Character Pack, Killing Floor: Steampunk Character Pack, Killing Floor - Steampunk Character Pack 2, Killing Floor - Ash Harding Character Pack, Killing Floor - Urban Nightmare Character Pack, Killing Floor - Harold Lott Character Pack, Killing Floor - Community Weapon Pack, Killing Floor - The Chickenator Pack, Killing Floor - Robot Special Character Pack, Killing Floor - Golden Weapons Pack, Killing Floor - Community Weapon Pack 2, Killing Floor - Golden Weapon Pack 2, Killing Floor - Reggie the Rocker Character Pack, Killing Floor - Community Weapons Pack 3 - Us Versus Them Total Conflict Pack, Killing Floor - Camo Weapon Pack

SUMMER SALE! Offer ends 4 July

-75%
¥ 9,980
¥ 2,495
 

Recent updates View all (222)

19 April

KF 1065 - Security Update

We have just pushed live a required update for clients and servers that addresses some security issues that were pointed out to us by a modder.

107 comments Read more

About This Game

Killing Floor is a Co-op Survival Horror FPS set in the devastated cities and countryside of England after a series of cloning experiments for the military goes horribly wrong. You and your friends are members of the military dropped into these locations with a simple mission: Survive long enough to cleanse the area of the failed experiments!
  • Cooperative gameplay for up to six players against multiple waves of specimens
  • Persistent Perks system, allowing players to convert their in-game achievements into permanent improvements to their character's skills and abilities
  • Over 170 Steam Achievements, including “Dignity for the dead” for killing 10 enemies feeding on dead teammates' corpses and “Hot Cross Fun” for finishing off 25 burning enemies with a Crossbow
  • Slow-motion “ZEDtime” to better watch those crucial and violent creature deaths, even in multiplayer
  • Solo game mode for offline play
  • Ten different monster types trying to eat your face off, armed with everything from teeth and claws, to chainsaws, chain-guns and rocket-launchers
  • 33+ weapons for the players to chose from, ranging from knives and fire-axes to pump shotguns, rifles and a flamethrower
  • Equip your team with welders, medical tools and body armor to help your odds of survival
  • Choose which Perks to play with to best balance out your co-op team against the horrors
  • Open, non-linear play areas: choose when and where to fight — or run; weld doors closed to direct the monster horde down alternate corridors
  • Fully-configurable, allowing players to change the difficulty level, number of creature waves, or even set up their own favorite waves of monsters
  • Support for Steam Friends and other Steamworks features
  • Includes Windows-only SDK for the creation of new levels and mods

System Requirements

Windows
Mac OS X
SteamOS + Linux
    Minimum:
    • OS: Windows XP/Vista
    • Processor: 1.2 GHZ or Equivalent
    • Memory: 1 GB RAM
    • Graphics: 64 MB DX9 Compliant
    • Hard Drive: 2 GB free hard drive space
    • Sound: DX 8.1 Compatible Audio
    Recommended:
    • OS: Windows XP/Vista
    • Processor: 2.4 GHZ or Equivalent
    • Memory: 2 GB RAM
    • Graphics: 128 MB DX9 Compliant with PS 2.0 support
    • Hard Drive: 2 GB free hard drive space
    • Sound: Eax Compatible
    • OS: OS X version Leopard 10.5.8, Snow Leopard 10.6.3, or later.
    • Processor: Intel Mac
    • Graphics: Nvidia or ATI GPU (Intel GPUs unsupported)
    Minimum:
    • OS: Ubuntu 12.04 LTS, fully updated
    • Processor: 1.2 GHZ or Equivalent
    • Memory: 1 GB RAM
    • Graphics: Nvidia, ATI, or Intel GPU with hardware-accelerated drivers
    • Hard Drive: 2 GB free hard drive space
    Recommended:
    • OS: Ubuntu 12.04 LTS, fully updated
    • Processor: 2.4 GHZ or Equivalent
    • Memory: 2 GB RAM
    • Graphics: Nvidia, ATI, or Intel GPU with hardware-accelerated drivers
    • Hard Drive: 2 GB free hard drive space

Community-Made Mods For this game

Customer reviews
Customer Review system updated! Learn more
Recent:
Very Positive (416 reviews)
Overall:
Overwhelmingly Positive (43,840 reviews)
Recently Posted
Ghostie
( 7.5 hrs on record )
Posted: 28 June
I got a level up for medic.....playing as sharpshooter...



10/10 would rate again
Helpful? Yes No Funny
.Blaze
( 974.4 hrs on record )
Posted: 28 June
This is such a great game. I can't even fully describe it in review form or any other form but i'll try to point out the best bits about how this game is VERY different than your typical shooter.

-It's not like every other shooter where "teamwork" is you and your friends holding LMB to kill something because you did it together. Players need to understand the mechanics of the huge enemies to take them out (in a fast manner) in order to not get overrun. Brainlessly spamming bullets/grenades is a bad thing and you'll learn that in this game.

-Offers players every tool to express their mastery of the game.

-Great maps with unique set pieces to them creating memorable experiences.

-The perks/classes aren't generic trash cleaners, they're all unique.

-Game is very difficult and punishing/unforgiving. You have to calculate
which paths and openings to take, relying on your aim to make way making for
intense situations. One person dying or unable to hold a position will most likely result in a full team wipe.

-Combos: One of the greatest things about this game that will keep you coming back for years. Endless combos, This is how you distinguish noobs/regulars from veterans. It adds so much depth and fun to the gameplay, there are still things to this day I am still learning about that I never knew of. When games offer so much like that I think it rightfully deserves the title of being a "Classic".

-No sprint.

-Voice acting is hilarious and enjoyable.

-Many options for keybinds and call outs.

-This ♥♥♥♥ing game came out YEARS AGO SON. THIS ♥♥♥♥ IS LIKE SMASH BROS MELEE, YOU JUST GOTTA GO BACK CAUSE THE NEW ONE IS WHACK.


Buy it.
Helpful? Yes No Funny
TepidStan42
( 22.3 hrs on record )
Posted: 28 June
Mods not working for me (sad face)
Helpful? Yes No Funny
Lottapril
( 941.4 hrs on record )
Posted: 28 June
A classic.
Helpful? Yes No Funny
Se7en
( 10.8 hrs on record )
Posted: 28 June
This game is so much fun to play with friends and I always end up yelling, screaming and laughing because of how crazy and fun this game can get. If you get it on sale its more than worth the price and the most of the "DLC" (idk if thats what I would call it) is cosmetic, but there are a few gun packs that arent. It's worth noting that those guns aren't very over powered and don't have a very big effect on the gameplay, if you own them they simply look cool as hell. There is also so many maps on the community workshop that it is very difficult to ever get bored because you know all the maps too well. I would recommend this game to anyone who loves zombie games like the COD zombies(I personally think this is better than that though).
Final Rating 9.5/10
Helpful? Yes No Funny
The Honeybadger
( 1.2 hrs on record )
Posted: 28 June
BADASSSSSSS!!!!!!
Helpful? Yes No Funny
Kaolin
( 1.1 hrs on record )
Posted: 28 June
Banana
Helpful? Yes No Funny
Most Helpful Reviews  In the past 30 days
107 of 114 people (94%) found this review helpful
2 people found this review funny
Recommended
321.7 hrs on record
Posted: 10 June
AT A GLANCE
(Full review follows below)

  • Game Name: Killing Floor
  • Original Release: 2009
  • Genre Tags: FPS; Coop; Round-Based; Progressive
  • My Overall Grade: A+
  • Estimated Playtime (Campaign): N/A
  • Multiplayer Aspect: Primary
  • Recommended To: Established fans of the genre; Those intrigued by the genre; Multiplayer gamers

REVIEW
Killing Floor is one of the most fun cooperative FPS games in existence. Team up with up to 5 other players to fight off waves of zombies mutants. Not necessarily groundbreaking, but somehow the concept has been represented in a unique and entertaining way. If you like cooperative FPS games, this should be a definite pick-up for you.

There are various types of mutants. Some are essentially “trash mobs,” but play a role in getting in the way. Then there are mid-tier and high-tier "specials" that all have unique attacks. These spawn less frequently, but can wind up overwhelming you if you don’t take them down quickly. And if you make it through all the waves in a match, there is a boss fight. If you play on the highest difficulty and with a full team, then these boss fights are easily among the most exciting and adrenaline-pumping boss fights in all of gaming.

There are 7 classes to play as. You can play as all classes on your account, but only one at a time; and you will permanently level-up each class by playing. Having higher levels is a must if you want to take on the higher difficulties. On those high difficulties the true brilliance of the gameplay really shines. You’ll have to play smart and as a team if you want a chance to beat the maps on Hell on Earth. It can be incredibly challenging, and you may go a while without winning a single match. But when you finally do, it can be incredibly satisfying.

Having said that, it should be noted that the game also scales with the size of your team, and you can play solo which lowers the amount of enemies per wave and lowers their stats. Because of this, playing solo is actually easier for some, although if you make a single mistake it is game over because there is no one to pick up the slack. I personally feel the game is way more fun with full teams (and thus full enemy spawns with max stats).

Also, there is a lot of DLC, but don't let that turn you off. I have not bought a single DLC for this game, and have over 300 hours of fun and have nearly every achievement (except for two that I’m not worthy of). That said, a couple of the DLCs are worth getting as they grant you access to some great weapons that are very effective and fun to use. And anyone who owns any DLC can drop the unlocked weapons in game for someone else to pick up for that match.

So if you like games like Left 4 Dead or Payday, this is very much in the same vein. However, it also has a great unique identity. It is a sure bet for anyone who likes cooperative shooters and challenging gameplay.

Follow my curation page to see more of my recommendations!
Was this review helpful? Yes No Funny
72 of 90 people (80%) found this review helpful
9 people found this review funny
Recommended
646.3 hrs on record
Posted: 31 May
Product received for free
Good. Better than 2
Was this review helpful? Yes No Funny
52 of 60 people (87%) found this review helpful
28 people found this review funny
Recommended
243.4 hrs on record
Posted: 16 June
It's like Killing Floor 2 but not a disaster.
Was this review helpful? Yes No Funny
43 of 50 people (86%) found this review helpful
9 people found this review funny
Recommended
136.8 hrs on record
Posted: 14 June
Killing Floor before Tripwire sold out
Was this review helpful? Yes No Funny
24 of 25 people (96%) found this review helpful
3 people found this review funny
Recommended
1,110.7 hrs on record
Posted: 9 June
1111 hours on record is as good a time as any to finally write an actual review for this.

I'll get the less interesting stuff out of the way first:
- The graphics are passable enough, with good customisation options that allow you to buy frames per second for some eye candy (mmm, candy!). I suppose it may look dated but I've never considered myself a graphics snob so it doesn't bother me.
- The sound effects are fine for the most part, the soundtrack is hit-or-miss based on what genres of music you like, I turned it off completely so I can hear what's happening around me because I prefer situational awareness to heavy metal.

Where the game shines is the gameplay.
That is if you're willing to invest some serious time in it as the learning curve is one of the most intricate ones I've seen. This is interesting considering the simplicity of the premise - there are two gamemodes (one of which only has 3 official maps and frankly I've always seen it as a mere gimmick), in the standard one the players fight 4, 7 or 10 waves of zombies (9 types with different strengths and weaknesses, some of which complement one another dangerously well) plus the same boss every time and that's it. That really sounds like it should get old quickly, yet somehow it doesn't - there's always new stuff to learn, skills to improve, weapon loadouts to try... I don't think anyone can honestly say "I know everything there is to know about KF".
A large portion of the advanced tricks and tactics I believe are actually a result of quirks in the code that weren't intentional but happened to make the game much more complex than it looks on the surface.
The downside to all this is that experienced players often have little tolerance for inexperienced ones who haven't figured out the ideal loadouts and strategies yet. It can be difficult to pick the game up now and start learning because people WILL insult you, votekick you etc, but it can be done - there are loads of guides explaining both the basics and the advanced stuff, and some experienced players like coaching newer ones and showing them the ropes. As long as you're willing to learn and don't act like a twæt, you should be fine.

So yeah, Killing Floor 1, while slowly growing old, is a gem of the FPS genre. It's definitely not for everyone but if you do get into it, you're in for many hours of good fun.
Was this review helpful? Yes No Funny
35 of 50 people (70%) found this review helpful
9 people found this review funny
Recommended
2,078.4 hrs on record
Posted: 18 June
All Tripwire had to do is to take this game, make it look better, fix hit detection, add more content, and release it on PC ONLY, not MOTHER♥♥♥♥ING CONSOLES. And they did everything but that. This game is everything KF2 should be like. ♥♥♥♥ing consoles. ♥♥♥♥.
Was this review helpful? Yes No Funny
16 of 17 people (94%) found this review helpful
6 people found this review funny
Recommended
566.0 hrs on record
Posted: 19 June
Best 500 hours I spent in my life.
Was this review helpful? Yes No Funny
18 of 23 people (78%) found this review helpful
3 people found this review funny
Recommended
331.8 hrs on record
Posted: 13 June
amazing game better than kf2, i liked kf2 as well but now i CANT even play it, it's just a crash simulator.
Was this review helpful? Yes No Funny
11 of 13 people (85%) found this review helpful
28 people found this review funny
Recommended
367.7 hrs on record
Posted: 16 June
One of the best Multiplayer games I've ever played.

10/10
Was this review helpful? Yes No Funny
11 of 14 people (79%) found this review helpful
Recommended
146.2 hrs on record
Posted: 22 June
What happened to my beloved game ):
rip killing floor, the first game i ever bought on steam, everyone went to play kf2, which is a ♥♥♥♥ing shtity game. If only they could make the game free to revive the community and fully every godamn servers :)

but thats too good to happen.
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