Free games like Project Corruption
Below are 10 free-to-play Steam games similar to Project Corruption, 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 Project Corruption page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Project Corruption — no purchase or trial window. Shares Action and Indie with Project Corruption.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
ENA: Dream BBQ
Free-to-play alternative to Project Corruption — no purchase or trial window. Shares Indie with Project Corruption.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
- 3
Indigo Park: Chapter 1
Free-to-play alternative to Project Corruption — no purchase or trial window. Shares Action and Indie with Project Corruption.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
- 4
STRAFTAT
Free-to-play alternative to Project Corruption — no purchase or trial window. Shares Action with Project Corruption.
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.
- 5
Counter-Strike:Global Offensive
Free-to-play alternative to Project Corruption — no purchase or trial window. Shares Action with Project Corruption.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
- 6
Dagon: by H. P. Lovecraft
Free-to-play alternative to Project Corruption — no purchase or trial window. Shares Indie with Project Corruption.
Face unspeakable horrors. Succumb to madness. Welcome to a free daemonic narrative experience inspired by H. P. Lovecraft.
- 7
The Lab
Free-to-play alternative to Project Corruption — no purchase or trial window.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
- 8
Z.A.T.O. // I Love the World and Everything In It
Free-to-play alternative to Project Corruption — no purchase or trial window. Shares Indie with Project Corruption.
USSR, 1986. A girl goes missing in the closed city of Vorkuta-5, yet not a soul seems to be concerned. Uncover the mystery behind her disappearance and transmit your signal to the universe.
- 9
Classic Marathon Infinity
Free-to-play alternative to Project Corruption — no purchase or trial window. Shares Action with Project Corruption.
From the team that brought you Aleph One, the classic sci-fi FPS Marathon Infinity from Bungie on Mac revived for modern hardware by the fan community.
- 10
Classic Marathon 2
Free-to-play alternative to Project Corruption — no purchase or trial window. Shares Action with Project Corruption.
From the team that brought you Aleph One, the classic sci-fi FPS Marathon 2: Durandal from Bungie on Mac revived for modern hardware by the fan community.