Free games like Probability 0
Below are 8 free-to-play Steam games similar to Probability 0, 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 Probability 0 page.
Ranked picks
- 1
The Expendabros
Free-to-play alternative to Probability 0 — no purchase or trial window. Shares Action and Indie with Probability 0.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 2
Khimera: Destroy All Monster Girls
Free-to-play alternative to Probability 0 — no purchase or trial window. Shares Action and Indie with Probability 0.
Play as Chelshia the chimera in this platforming beat-em-up adventure into the wonderful world of monster girls!
- 3
Wheelchair Wizards
Free-to-play alternative to Probability 0 — no purchase or trial window. Shares Action and Indie with Probability 0.
Wheelchair Wizards is a 4 player party game where you battle your friends while upgrading your wizard.
- 4
Realm of the Mad God Exalt
Free-to-play alternative to Probability 0 — no purchase or trial window. Shares Action and Indie with Probability 0.
Embark on an exhilarating journey into the pixelated Realm of the Mad God! Join, an action-packed, free-to-play MMO bullet hell game. Discover a world with danger, challenges, and hidden treasures as you battle through waves of enemies. Team up with players and conquer dungeons to become a legend!
- 5
Super Crate Box
Free-to-play alternative to Probability 0 — no purchase or trial window. Shares Action and Indie with Probability 0.
Vlambeer's SUPER CRATE BOX is coming to bring back the glory of the golden arcade age, when all that really mattered was getting on that high score list. Grab your baseball cap and loosen your pants, it's time to fight endless hordes of enemies and collect every weapon crate you can.
- 6
You Have to Win the Game
Free-to-play alternative to Probability 0 — no purchase or trial window. Shares Action and Indie with Probability 0.
You Have to Win the Game is a free exploration platformer with a retro 1980s PC aesthetic.
- 7
Boring Man - Online Tactical Stickman Combat
Free-to-play alternative to Probability 0 — no purchase or trial window. Shares Action and Indie with Probability 0.
Battle other 2D stickfigures online while jumping around like a lunatic and getting blown up into smithereens. With over 70 weapons, Boring Man is the most chaotic and hilarious 2D online shooter on the internet.
- 8
BRAIN / OUT
Free-to-play alternative to Probability 0 — no purchase or trial window. Shares Action and Indie with Probability 0.
Brain / Out is a multiplayer shooter with a nostalgic post-Soviet feel. Experience dynamic battles and exterminate your enemies with a large arsenal of modern weaponry. Lock'n'load!