Buy Killing Floor PC Key

Looking for a cheap Killing Floor key? As of 14 Aug 2026 the cheapest key costs $1.51 at G2Play. We compare 25 offers from 20 stores, spanning $1.51 to $19.99. In keyshops the lowest price is $1.51, in official stores it starts at $17.59. With this many sellers the gap between the extremes is often several times over, so picking the store matters more here than waiting for a sale. This game has been cheaper before, on 93% of the days we have data for. A price alert will let you know when the next drop comes. On PC you buy a key that you activate in Steam or another client, and this is the widest market we track, with more than a quarter of games carrying a keyshop offer.

Metacritic:
72 8.2
Steam:
Overwhelmingly Positive (38k)
Buy in Official Store:
-12%
$17.59
Buy in Keyshops:
-92%
$1.51
In keyshops, it was cheaper on 93% of days with data.
See price history

Official Stores (9)

DRM:
Steam
Steam
Gamebillet
Killing Floor
Windows
+3
19w ago
DRM:
Steam
Gamebillet
$19.99 $17.59
-12%
GamersGate
Killing Floor
Windows
+3
3w ago
DRM:
Steam
GamersGate
$19.99 $17.99
-10%
-10% with XDD10copy
-10% with XDD10copy
Gamesplanet US
Killing Floor
Windows
+3
27w ago
DRM:
Steam
Gamesplanet US
$19.99 $17.99
-10%
Gamesplanet UK
Killing Floor
Windows
+3
23m ago
DRM:
Steam
Gamesplanet UK
$20.21 ~$18.18
-10%
Gamesplanet DE
Killing Floor
Windows
+3
13m ago
DRM:
Steam
Gamesplanet DE
$20.73 ~$18.66
-9%
Gamesplanet FR
Killing Floor
Windows
+3
1d ago
DRM:
Steam
Gamesplanet FR
$20.76 ~$18.68
-10%
Steam
Killing Floor
Windows
+3
5w ago
DRM:
Steam
Steam
$19.99

Keyshops (16)

DRM:
Steam
Steam
G2Play
Killing Floor PC Steam Gift
Windows
+3
8h ago
DRM:
Steam
G2Play
$20.73 ~$1.51
-92%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Kinguin
Killing Floor PC Steam Gift
Windows
+3
8h ago
DRM:
Steam
Kinguin
$20.73 ~$1.51
-92%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Gameseal
Killing Floor (PC) Steam Gift - GLOBAL
Windows
+3
7h ago
DRM:
Steam
Gameseal
$19.99 ~$1.59
-92%
-17% with SEAL17XDDcopy
-17% with SEAL17XDDcopy
G2Play
Killing Floor PC Steam CD Key
Windows
+3
8h ago
DRM:
Steam
G2Play
$20.73 ~$2.10
-89%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Kinguin
Killing Floor PC Steam CD Key
Windows
+3
8h ago
DRM:
Steam
Kinguin
$20.73 ~$2.10
-89%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Killing Floor Steam Key GLOBAL
5.0
Windows
+3
9h ago
DRM:
Steam
Eneba
$20.73 ~$2.32
-88%
-10% with XDD10copy
-10% with XDD10copy
Driffle
Killing Floor (Global) (PC / Mac / Linux) - Steam - Digital Key
Windows
+3
12h ago
DRM:
Steam
Driffle
$19.99 $2.33
-88%
-6% with XDDEALS6copy
-6% with XDDEALS6copy

About Killing Floor

Killing Floor - about the game

Killing Floor stands out as a cooperative survival horror first-person shooter that thrusts players into intense battles against hordes of monstrous experiments gone wrong. Set in a ravaged England, the game challenges you and up to five teammates to hold out against relentless waves of enemies, blending fast-paced action with strategic elements to survive.

Gameplay

In Killing Floor, the core loop revolves around fending off increasingly difficult waves of zombie-like creatures known as Zeds. You start by selecting a perk, which defines your character's strengths, such as improved accuracy with rifles or enhanced healing abilities. These perks level up through gameplay, providing permanent boosts to skills like damage output or movement speed.

Combat feels visceral, with a wide array of weapons at your disposal, including shotguns, crossbows, and flamethrowers. Players can weld doors to control enemy paths, buy gear between waves from a trader, and activate slow-motion ZEDtime for precise shots during critical moments. Teamwork is essential, as coordinating perks and sharing resources like ammo or medical syringes determines success against bosses like the Patriarch.

Monsters vary in threat level, from basic clots that swarm in numbers to heavy hitters armed with chainsaws or rocket launchers. The open maps allow for tactical decisions, like funneling enemies into kill zones or retreating to safer spots.

Game Modes

The primary mode, simply called Killing Floor, focuses on surviving progressive waves of Zeds, culminating in a boss fight. You can adjust settings like wave count or difficulty to suit your group's preference, making sessions customizable.

Objective mode adds narrative-driven tasks, where teams complete specific goals across maps, such as defending points or escorting items, while still battling waves. This mode introduces variety beyond pure survival.

Solo play is available for offline sessions, letting you tackle the same challenges alone with adjusted enemy scaling.

Multiplayer Features

Co-op supports up to six players, encouraging balanced team compositions with different perks to counter various Zed types. Features like voice chat integration and friend lists enhance the social aspect, while achievements reward creative kills or team saves.

  • Persistent progression keeps perks advancing across games.
  • Customizable servers allow for unique wave setups.
  • Mod support extends replayability through user-created content.

Is It Worth Playing?

For those who enjoy cooperative horde shooters with a horror twist, Killing Floor remains a solid choice, especially if you have friends to team up with. Its wave-based structure delivers satisfying progression and tense moments, though the graphics show their age from the 2009 release.

The game continues to receive free updates and special events, keeping the community engaged. Player feedback highlights the fun of coordinated gameplay and the thrill of surviving tough waves, making it appealing for fans of team-based survival titles. If you prefer modern visuals or solo experiences, it might feel dated, but the core mechanics hold up well for group play.

Interface:
GermanEnglishSpanish - SpainFrenchHungarianItalianPolishRussian
Audio:
GermanEnglishSpanish - SpainFrenchItalianRussian

Age rating

Unavailable
Metacritic:
72 8.2
Steam:
Overwhelmingly Positive (38k)

Minimum:

  • Processor: 1.2 GHZ or Equivalent
  • Memory: 1 GB RAM
  • Graphics: 64 MB DX9 Compliant
  • Storage: 2 GB free hard drive space

Recommended:

  • Processor: 2.4 GHZ or Equivalent
  • Memory: 2 GB RAM
  • Graphics: 128 MB DX9 Compliant with PS 2.0 support
  • Storage: 2 GB free hard drive space

Minimum:

  • 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)

Recommended:

  • 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
  • Storage: 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
  • Storage: 2 GB free hard drive space
Historical low
Price history from official stores
$1.99
Steam
1 months ago
Price history from keyshops
$1.45
Gameseal
2 weeks ago

FAQ

9 questions

Before you start looking for a cheap Killing Floor PC key, check the essentials. Developed by Tripwire Interactive. Published by Tripwire Interactive. PC released date: 14 May 2009. Genres: Action. Categories: Multi-player, Valve Anti-Cheat enabled, Family Sharing, Co-op, Steam Trading Cards, Steam Workshop, Single-player, Cross-Platform Multiplayer, Stats, Steam Achievements, Includes level editor.

Q

Where to buy a cheap Killing Floor Steam key or CD key?

Using our price comparison and verified discount codes, you can buy a Killing Floor key for as low as $1.51. This deal is available at G2Play and is among the cheapest offers on the market. All keys listed on XD.deals are delivered digitally and eligible for instant download after payment. Prices already include processing fees and applied promo codes, so you always see the lowest Killing Floor price on PC. Check the Killing Floor price history to buy at the best moment.

As of our last update (we refresh Steam pricing multiple times a day), the Killing Floor Steam price is $19.99. You can save an extra ~6% by paying with a discounted Steam gift card.

Our price tracker covers both official retailers and key marketplaces, so you can find Killing Floor on sale even outside seasonal promotions. We currently detect 25 active offers from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, Killing Floor is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

On days when both store types carried the game, the keyshop was cheaper by a median of 90%. We have recorded offers from 22 stores in total, and from 3 in the most recent reading. The current price is high against its own history: it was cheaper on 93% of days with data. The spread between offers was wide: from $1.45 to $19.99.

Yes. Killing Floor has an official page on the Steam Store. You can also buy a Killing Floor Steam key from third-party sellers. Our price comparison currently includes 25 offers with Steam DRM. Pick one to ensure your Killing Floor download happens on Valve's platform.

Yes, with minor tweaks. Killing Floor is Steam Deck Playable - it works after small adjustments like selecting a Proton version or using the touchscreen for tiny launcher text. You can play Killing Floor on Steam Deck.

According to our data Killing Floor is not currently available on PC Game Pass, EA Play or Ubisoft+. We are still filling in the catalogues of these services, so it is worth confirming the status at the source before you decide. If you are buying, XD.deals will help you find the lowest price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best Killing Floor deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

Best prices for Killing Floor

1 G2Play G2Play Keyshop
-92% $1.51
2 Kinguin Kinguin Keyshop
-92% $1.51
3 Gameseal Gameseal Keyshop
-92% $1.59
4 Eneba Eneba Keyshop
-88% $2.32
5 Driffle Driffle Keyshop
-88% $2.33

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