Free games like Galactic Simulator 3
Below are 9 free-to-play Steam games similar to Galactic Simulator 3, 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 Galactic Simulator 3 page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Galactic Simulator 3 — no purchase or trial window. Shares Indie with Galactic Simulator 3.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
Bongo Cat
Free-to-play alternative to Galactic Simulator 3 — no purchase or trial window. Shares Indie and Simulation with Galactic Simulator 3.
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 Murder of Sonic the Hedgehog
Free-to-play alternative to Galactic Simulator 3 — no purchase or trial window. Shares Indie and Simulation with Galactic Simulator 3.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
- 4
Indigo Park: Chapter 1
Free-to-play alternative to Galactic Simulator 3 — no purchase or trial window. Shares Indie with Galactic Simulator 3.
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.
- 5
Our Life: Beginnings & Always
Free-to-play alternative to Galactic Simulator 3 — no purchase or trial window. Shares Indie and Casual with Galactic Simulator 3.
A twenty-dollar bill, four summers, fifteen years, and a one of a kind life. Create an experience that’s all your own in this near-fully customizable visual novel where you grow from childhood to adulthood with the lonely boy next door.
- 6
missed messages.
Free-to-play alternative to Galactic Simulator 3 — no purchase or trial window. Shares Indie and Simulation with Galactic Simulator 3.
‘goth gf’s iPhone’ airdrops you - accept or decline? A love/horror story about life, death, & memes.
- 7
NGU IDLE
Free-to-play alternative to Galactic Simulator 3 — no purchase or trial window. Shares Indie and Simulation with Galactic Simulator 3.
NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!
- 8
Travellin Cats in Paris
Free-to-play alternative to Galactic Simulator 3 — no purchase or trial window. Shares Indie and Casual with Galactic Simulator 3.
Find 100 cats hidden in Paris, France in this cute hand-drawn hidden object game by Travellin Cats - the original viral hidden cat game creator!
- 9
Starship Simulator
Free-to-play alternative to Galactic Simulator 3 — no purchase or trial window. Shares Simulation with Galactic Simulator 3.
Explore a scientifically accurate Milky Way galaxy and discover distant uncharted worlds, while having unrestricted access to every deck of your Magellan Class deep space exploration vessel. Interact with numerous fully simulated ship systems, or simply relax in the bar and watch the stars drift by.