Free games like Asteroid Colony
Below are 8 free-to-play Steam games similar to Asteroid Colony, 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 Asteroid Colony page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Asteroid Colony — no purchase or trial window. Shares Action and Indie with Asteroid Colony.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
Steam Engine Simulator
Free-to-play alternative to Asteroid Colony — no purchase or trial window. Shares Simulation with Asteroid Colony.
The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.
- 3
Magic Archery
Free-to-play alternative to Asteroid Colony — no purchase or trial window. Shares Indie and Simulation with Asteroid Colony.
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.
- 4
The Lab
Free-to-play alternative to Asteroid Colony — 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
Landfall Archives
Free-to-play alternative to Asteroid Colony — no purchase or trial window. Shares Action and Strategy with Asteroid Colony.
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!
- 6
SuchArt: Creative Space
Free-to-play alternative to Asteroid Colony — no purchase or trial window. Shares Action and Indie with Asteroid Colony.
Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!
- 7
The Children of Clay
Free-to-play alternative to Asteroid Colony — no purchase or trial window. Shares Indie and Simulation with Asteroid Colony.
The Children of Clay is a short stop motion archeology horror game, where you have to study an ancient artefact and discover its dark secret.
- 8
Outpath: First Journey
Free-to-play alternative to Asteroid Colony — no purchase or trial window. Shares Indie with Asteroid Colony.
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!