Free games like Isotopia
Below are 9 free-to-play Steam games similar to Isotopia, 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 Isotopia page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Isotopia — no purchase or trial window. Shares Action and Indie with Isotopia.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
ENA: Dream BBQ
Free-to-play alternative to Isotopia — no purchase or trial window. Shares Indie and Adventure with Isotopia.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
- 3
Indigo Park: Chapter 1
Free-to-play alternative to Isotopia — no purchase or trial window. Shares Action and Indie with Isotopia.
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.
- 4
The Looker
Free-to-play alternative to Isotopia — no purchase or trial window. Shares Indie with Isotopia.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
- 5
Counter-Strike:Global Offensive
Free-to-play alternative to Isotopia — no purchase or trial window. Shares Action with Isotopia.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
- 6
Dagon: by H. P. Lovecraft
Free-to-play alternative to Isotopia — no purchase or trial window. Shares Indie and Adventure with Isotopia.
Face unspeakable horrors. Succumb to madness. Welcome to a free daemonic narrative experience inspired by H. P. Lovecraft.
- 7
Paper Lily - Chapter 1
Free-to-play alternative to Isotopia — no purchase or trial window. Shares Indie and Adventure with Isotopia.
Paper Lily is an RPG horror game in which you can solve puzzles in different ways. Explore a hidden world, meet strange characters, and guide Lacie as she attempts to find answers about her unusual condition.
- 8
The Lab
Free-to-play alternative to Isotopia — 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!
- 9
Tesera
Free-to-play alternative to Isotopia — no purchase or trial window. Shares Action and Indie with Isotopia.
Tesera is a sci-fi sandbox game in a mysterious alien world. Explore an endless voxel world, defend yourself against aggressive creatures and drones, building your dream settlement alone or with friends.