Free games like Caves Of Mars
Below are 8 free-to-play Steam games similar to Caves Of Mars, 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 Caves Of Mars page.
Ranked picks
- 1
The Expendabros
Free-to-play alternative to Caves Of Mars — no purchase or trial window. Shares Action and Indie with Caves Of Mars.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 2
![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 Caves Of Mars — no purchase or trial window. Shares Action and Indie with Caves Of Mars.
A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.
- 3
Disfigure
Free-to-play alternative to Caves Of Mars — no purchase or trial window. Shares Action and Indie with Caves Of Mars.
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!
- 4
The Lab
Free-to-play alternative to Caves Of Mars — 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!
- 5
Princess Remedy in a World of Hurt
Free-to-play alternative to Caves Of Mars — no purchase or trial window. Shares Action and Indie with Caves Of Mars.
Remedy, a recent graduate from the Saturnian healing school, must descend to Hurtland and use her powers to heal everyone from stray ducks to dark lords, and finally cure the ailing Prince Hingst. It's a short, whimsical adventure with plenty of heart(s).
- 6
Epic Battle Fantasy 3
Free-to-play alternative to Caves Of Mars — no purchase or trial window. Shares Indie and Adventure with Caves Of Mars.
Epic Battle Fantasy 3 is a silly turn-based JRPG, full of useless NPCs, rabid cats, childish humor, unreasonably large weapons, anime boobs, and other nonsense. And it's totally free!
- 7
South Scrimshaw, Part One
Free-to-play alternative to Caves Of Mars — no purchase or trial window. Shares Indie with Caves Of Mars.
South Scrimshaw is the story of a newborn whale in a vast alien ocean. It is a richly illustrated experimental visual novel, written in the style of a nature documentary.
- 8
The Riftbreaker: Prologue
Free-to-play alternative to Caves Of Mars — no purchase or trial window. Shares Action and Indie with Caves Of Mars.
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.