Free games like OMA - One Man Army
Below are 9 free-to-play Steam games similar to OMA - One Man Army, 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 OMA - One Man Army page.
Ranked picks
- 1
Counter-Strike:Global Offensive
Free-to-play alternative to OMA - One Man Army — no purchase or trial window. Shares Action with OMA - One Man Army.
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.).
- 2
Grimm's Hollow
Free-to-play alternative to OMA - One Man Army — no purchase or trial window.
A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.
- 3
The Expendabros
Free-to-play alternative to OMA - One Man Army — no purchase or trial window. Shares Action with OMA - One Man Army.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 4
Star Fetchers
Free-to-play alternative to OMA - One Man Army — no purchase or trial window. Shares Action with OMA - One Man Army.
The introduction to a wild ride with gangsters and deep state conspiracy theories
- 5
Eternal Senia
Free-to-play alternative to OMA - One Man Army — no purchase or trial window. Shares Action with OMA - One Man Army.
Thoughts and expectations ARPG
- 6
There Is No Game: Jam Edition 2015
Free-to-play alternative to OMA - One Man Army — no purchase or trial window.
A little game that’s not a game, winner of an old game jam that nobody’s ever heard of. So DON'T INSTALL IT!
- 7
Disfigure
Free-to-play alternative to OMA - One Man Army — no purchase or trial window. Shares Action with OMA - One Man Army.
Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!
- 8
The Lab
Free-to-play alternative to OMA - One Man Army — 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!
- 9
Last Soul - Prologue
Free-to-play alternative to OMA - One Man Army — no purchase or trial window. Shares Action with OMA - One Man Army.
Last Soul is a 2d pixel art action platformer with a compelling story about a future where mankind has lost its will. Explore and fight your way through a variety of levels, and take on awesome boss enemies.