Free games like CTHON
Below are 8 free-to-play Steam games similar to CTHON, 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 CTHON page.
Ranked picks
- 1
PAPERHEAD EP.0
Free-to-play alternative to CTHON — no purchase or trial window. Shares Action with CTHON.
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?
- 2
10 Minutes Till Dawn
Free-to-play alternative to CTHON — no purchase or trial window. Shares Action with CTHON.
Shoot down an ever growing horde of Lovecraftian monsters. Choose from a variety of upgrades to create unique and game-breaking builds. Unlock a diverse cast of characters and weapons with unique powers.
- 3
Darkenstein 3D
Free-to-play alternative to CTHON — no purchase or trial window. Shares Action with CTHON.
A retro shooter inspired by classics like Wolfenstein and Doom. Think of it as a tribute, a love letter to the games that defined a generation, with a few modern touches of my own. It’s tough, fast, and demands skill, just the way those old-school shooters did.
- 4
Hellbound: Survival Mode
Free-to-play alternative to CTHON — no purchase or trial window. Shares Action with CTHON.
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
STRAFTAT
Free-to-play alternative to CTHON — no purchase or trial window. Shares Action with CTHON.
STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.
- 6
Wolfenstein: Enemy Territory
Free-to-play alternative to CTHON — no purchase or trial window. Shares Action with CTHON.
Wolfenstein®: Enemy Territory is a free-to-play, objective-based multiplayer World War 2 first-person shooter. Featuring up to 32 players, choose either the Axis or Allies, as you fight across six maps based on real-world battle locations.
- 7
Devolverland Expo
Free-to-play alternative to CTHON — no purchase or trial window. Shares Action with CTHON.
Devolverland Expo is a first-person 'marketing simulator' set within an abandoned convention center after the annual Devolver Digital game expo was mysteriously canceled.
- 8
Intravenous 2: Mercenarism
Free-to-play alternative to CTHON — no purchase or trial window. Shares Action with CTHON.
Playing as Gideon, a cold-hearted mercenary willing to kill for money without any moral principles, you'll have tactical freedom with a wide variety of weapons and special gadgets to complete your mission in the prologue of Intravenous 2.