Free games like Sol 0: Mars Colonization
Below are 8 free-to-play Steam games similar to Sol 0: Mars Colonization, 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 Sol 0: Mars Colonization page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Sol 0: Mars Colonization — no purchase or trial window. Shares Indie with Sol 0: Mars Colonization.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
The Lab
Free-to-play alternative to Sol 0: Mars Colonization — 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!
- 3
Landfall Archives
Free-to-play alternative to Sol 0: Mars Colonization — no purchase or trial window. Shares Strategy and Indie with Sol 0: Mars Colonization.
Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!
- 4
Aircar
Free-to-play alternative to Sol 0: Mars Colonization — no purchase or trial window. Shares Indie with Sol 0: Mars Colonization.
A simple immersive flying game built for VR. Pilot an aircar through a futuristic cityscape.
- 5
The Riftbreaker: Prologue
Free-to-play alternative to Sol 0: Mars Colonization — no purchase or trial window. Shares Strategy and Indie with Sol 0: Mars Colonization.
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.
- 6
The Last Sovereign
Free-to-play alternative to Sol 0: Mars Colonization — no purchase or trial window. Shares Strategy and Indie with Sol 0: Mars Colonization.
Explore a world torn between armies of lust and purity in which everything is more complex than it seems, deciding the fate of nations through might, politics, and finance. Every decision matters in an intricate saga that tracks thousands of variables.
- 7
Fallout Shelter
Free-to-play alternative to Sol 0: Mars Colonization — no purchase or trial window. Shares Simulation with Sol 0: Mars Colonization.
Fallout Shelter puts you in control of a state-of-the-art underground Vault from Vault-Tec. Build the perfect Vault, keep your Dwellers happy, and protect them from the dangers of the Wasteland.
- 8
Clicker Heroes
Free-to-play alternative to Sol 0: Mars Colonization — no purchase or trial window. Shares Strategy and Indie with Sol 0: Mars Colonization.
Click your way through hordes of monsters, earn gold, and recruit quirky heroes with powerful skills. Progress even while you're idle, and watch the numbers climb into the absurd. It’s a never-ending journey of clicks, crits, and colossal damage.