Free games like Killing Floor
Below are 8 free-to-play Steam games similar to Killing Floor, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Killing Floor page.
Ranked picks
- 1
No More Room in Hell
Free-to-play alternative to Killing Floor — no purchase or trial window. Shares Action with Killing Floor.
The chances of you surviving this all out war of society and the undead are slim to none. Already, there are millions of the walking dead shambling about, searching for food to eat. There's no known cure. One bite can possibly end it all for you. However, you aren't alone in this nightmare.
- 2
Codename CURE
Free-to-play alternative to Killing Floor — no purchase or trial window. Shares Action with Killing Floor.
Codename CURE is a first person, co-operative zombie game with support for up to five players, providing dynamic, fast-paced zombie fragging with both objective, and survival-based missions.
- 3
Zombie Panic! Source
Free-to-play alternative to Killing Floor — no purchase or trial window. Shares Action with Killing Floor.
Dive into the zombie apocalypse with Zombie Panic! Source: a cooperative, survival-horror first-person-shooter. A fast-paced standalone modification.
- 4
Hellbound: Survival Mode
Free-to-play alternative to Killing Floor — no purchase or trial window. Shares Action with Killing Floor.
FULL GAME NOW AVAILABLE. GO GET IT! This is the Free Survival Mode for Hellbound: a '90s style First Person Shooter, made 30 years later… but just a glimpse of the full game, go check it out!
- 5
SAS: Zombie Assault 4
Free-to-play alternative to Killing Floor — no purchase or trial window. Shares Action with Killing Floor.
Purge the undead! Intense action-shooter with deep rpg elements, including upgradeable guns and armor, unique class skills, and class special abilities. Entire game can be played single player or as a 4-player online co-op game, including PvP events like Last Man Standing.
- 6
CS2D
Free-to-play alternative to Killing Floor — no purchase or trial window. Shares Action with Killing Floor.
CS2D is a free fast-paced top-down multiplayer shooter. Featuring many different game modes, a built-in map editor and much more.
- 7
PAPERHEAD EP.0
Free-to-play alternative to Killing Floor — no purchase or trial window. Shares Action with Killing Floor.
In this cute cardboard world, something went horribly wrong... You wake up in a prison cell. A strange voice calls to you from the depths of dark corridors covered in runic symbols and blood. Reload your trusty shotgun and find out... WHY WOULD CARDBOARD... BLEED?
- 8
Nightmare House: The Original Mod
Free-to-play alternative to Killing Floor — no purchase or trial window. Shares Action with Killing Floor.
Wake up, it’s time for the real nightmare to begin. Make your way through a terrorizing house, uncover the secrets of a haunted hospital, fight through hordes of the undead, and try to escape Nightmare House.