Free games like RimWorld
Below are 8 free-to-play Steam games similar to RimWorld, 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 RimWorld page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to RimWorld — no purchase or trial window. Shares Indie with RimWorld.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
Bongo Cat
Free-to-play alternative to RimWorld — no purchase or trial window. Shares Indie and Simulation with RimWorld.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
- 3
The Expendabros
Free-to-play alternative to RimWorld — no purchase or trial window. Shares Indie with RimWorld.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 4
Steam Engine Simulator
Free-to-play alternative to RimWorld — no purchase or trial window. Shares Simulation with RimWorld.
The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.
- 5
Iron Snout
Free-to-play alternative to RimWorld — no purchase or trial window. Shares Indie with RimWorld.
Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.
- 6
Magic Archery
Free-to-play alternative to RimWorld — no purchase or trial window. Shares Indie and Simulation with RimWorld.
Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.
- 7
The Lab
Free-to-play alternative to RimWorld — 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!
- 8
Z.A.T.O. // I Love the World and Everything In It
Free-to-play alternative to RimWorld — no purchase or trial window. Shares Indie with RimWorld.
USSR, 1986. A girl goes missing in the closed city of Vorkuta-5, yet not a soul seems to be concerned. Uncover the mystery behind her disappearance and transmit your signal to the universe.