Free games like Solar System Simulator
Below are 9 free-to-play Steam games similar to Solar System Simulator, 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 Solar System Simulator page.
Ranked picks
- 1
Bongo Cat
Free-to-play alternative to Solar System Simulator — no purchase or trial window. Shares Indie and Simulation with Solar System Simulator.
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?
- 2
The Looker
Free-to-play alternative to Solar System Simulator — no purchase or trial window. Shares Indie with Solar System Simulator.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
- 3
Virtual Cottage
Free-to-play alternative to Solar System Simulator — no purchase or trial window. Shares Indie and Simulation with Solar System Simulator.
Virtual Cottage gives you a comfy place to rest and be productive without any distractions. Open the game, set yourself a goal and enjoy the atmosphere.
- 4
Steam Engine Simulator
Free-to-play alternative to Solar System Simulator — no purchase or trial window. Shares Simulation with Solar System Simulator.
The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.
- 5
Magic Archery
Free-to-play alternative to Solar System Simulator — no purchase or trial window. Shares Indie and Simulation with Solar System Simulator.
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.
- 6
The Lab
Free-to-play alternative to Solar System Simulator — 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!
- 7
93, Kuindzhi
Free-to-play alternative to Solar System Simulator — no purchase or trial window. Shares Indie with Solar System Simulator.
Kuindzhi, 93 is an atmospheric first-person narrative vignette about an 18-year-old boy from Donbas. The story takes us to March 2022, when the world changed forever — into a space where the past, fears, and doubts find their voice.
- 8
Cinderella Phenomenon - Otome/Visual Novel
Free-to-play alternative to Solar System Simulator — no purchase or trial window. Shares Indie and Simulation with Solar System Simulator.
The Fairytale Curse was only the beginning...
- 9
Lunar Odyssey
Free-to-play alternative to Solar System Simulator — no purchase or trial window. Shares Simulation with Solar System Simulator.
Don your xEMU Spacesuit, explore the Orontius Crater, and Lunar Module in an immersive first-person VR experience with out of this world accuracy and interaction. Follow real-life procedures, launch the Apollo-era Lunar Module, play Space Golf, and experience the moon like never before.