Free games like Contagion
Below are 9 free-to-play Steam games similar to Contagion, 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 Contagion page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Contagion — no purchase or trial window. Shares Action and Indie with Contagion.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
ENA: Dream BBQ
Free-to-play alternative to Contagion — no purchase or trial window. Shares Indie and Adventure with Contagion.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
- 3
Indigo Park: Chapter 1
Free-to-play alternative to Contagion — no purchase or trial window. Shares Action and Indie with Contagion.
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 Contagion — no purchase or trial window. Shares Action with Contagion.
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
The Looker
Free-to-play alternative to Contagion — no purchase or trial window. Shares Indie with Contagion.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
- 6
Counter-Strike:Global Offensive
Free-to-play alternative to Contagion — no purchase or trial window. Shares Action with Contagion.
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.).
- 7
The Expendabros
Free-to-play alternative to Contagion — no purchase or trial window. Shares Action and Indie with Contagion.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 8
Dagon: by H. P. Lovecraft
Free-to-play alternative to Contagion — no purchase or trial window. Shares Indie and Adventure with Contagion.
Face unspeakable horrors. Succumb to madness. Welcome to a free daemonic narrative experience inspired by H. P. Lovecraft.
- 9
No More Room in Hell
Free-to-play alternative to Contagion — no purchase or trial window. Shares Action and Indie with Contagion.
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.