Free games like Cosminers
Below are 9 free-to-play Steam games similar to Cosminers, 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 Cosminers page.
Ranked picks
- 1
STRAFTAT
Free-to-play alternative to Cosminers — no purchase or trial window. Shares Action with Cosminers.
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.
- 2
Counter-Strike:Global Offensive
Free-to-play alternative to Cosminers — no purchase or trial window. Shares Action with Cosminers.
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.).
- 3
The Expendabros
Free-to-play alternative to Cosminers — no purchase or trial window. Shares Action and Indie with Cosminers.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 4
![UNBEATABLE [white label] — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1290490/header.jpg?t=1736770503)
UNBEATABLE [white label]
Free-to-play alternative to Cosminers — no purchase or trial window. Shares Action and Indie with Cosminers.
A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.
- 5
The Lab
Free-to-play alternative to Cosminers — 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!
- 6
DORONKO WANKO
Free-to-play alternative to Cosminers — no purchase or trial window. Shares Action and Simulation with Cosminers.
『DORONKO WANKO』 is a DORONKO Action Game. In this game, You can become a cute, innocent Pomeranian, make your master's home messy and dirty. "Will the master be angry with me?" Don't worry. Because you are a sweet doggie.
- 7
Outpath: First Journey
Free-to-play alternative to Cosminers — no purchase or trial window. Shares Indie and Adventure with Cosminers.
Outpath: First Journey is a prologue chapter of the main game, Outpath. An experimental clicker base building game. Craft, gather & manage resources, build your base and buy more islands to exploit and expand!
- 8
The Riftbreaker: Prologue
Free-to-play alternative to Cosminers — no purchase or trial window. Shares Action and Indie with Cosminers.
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.
- 9
Planet Gemini
Free-to-play alternative to Cosminers — no purchase or trial window. Shares Indie with Cosminers.
Planet Gemini is a factory-building and tower defense game. After crash-landing on two planets during an interdimensional journey, fend off waves of enemies and research a portal to survive.