Free games like Stellaris
Below are 8 free-to-play Steam games similar to Stellaris, 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 Stellaris page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Stellaris — no purchase or trial window.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
Indigo Park: Chapter 1
Free-to-play alternative to Stellaris — no purchase or trial window.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
- 3
missed messages.
Free-to-play alternative to Stellaris — no purchase or trial window. Shares Simulation with Stellaris.
‘goth gf’s iPhone’ airdrops you - accept or decline? A love/horror story about life, death, & memes.
- 4
The Lab
Free-to-play alternative to Stellaris — 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
Cinderella Phenomenon - Otome/Visual Novel
Free-to-play alternative to Stellaris — no purchase or trial window. Shares Simulation with Stellaris.
The Fairytale Curse was only the beginning...
- 6
Cube Escape: Paradox
Free-to-play alternative to Stellaris — no purchase or trial window.
The tenth Cube Escape follows the story of detective Dale Vandermeer who finds himself trapped in two different universes and needs to escape. Cube Escape: Paradox will be released together with the accompanying Paradox: A Rusty Lake Film.
- 7
DORONKO WANKO
Free-to-play alternative to Stellaris — no purchase or trial window. Shares Simulation with Stellaris.
『DORONKO WANKO』 is a DORONKO Action Game. In this game, You can become a cute, innocent Pomeranian, make your master's home messy and dirty. "Will the master be angry with me?" Don't worry. Because you are a sweet doggie.
- 8
Landfall Archives
Free-to-play alternative to Stellaris — no purchase or trial window. Shares Strategy with Stellaris.
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!