Free games like Quantum Project
Below are 8 free-to-play Steam games similar to Quantum Project, 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 Quantum Project page.
Ranked picks
- 1
Indigo Park: Chapter 1
Free-to-play alternative to Quantum Project — no purchase or trial window. Shares Action and Indie with Quantum Project.
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.
- 2
The Expendabros
Free-to-play alternative to Quantum Project — no purchase or trial window. Shares Action and Indie with Quantum Project.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 3
![UNBEATABLE [white label] — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1290490/header.jpg?t=1736770503)
UNBEATABLE [white label]
Free-to-play alternative to Quantum Project — no purchase or trial window. Shares Action and Indie with Quantum Project.
A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.
- 4
Star Fetchers
Free-to-play alternative to Quantum Project — no purchase or trial window. Shares Action and Indie with Quantum Project.
The introduction to a wild ride with gangsters and deep state conspiracy theories
- 5
The Lab
Free-to-play alternative to Quantum Project — 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!
- 6
Z.A.T.O. // I Love the World and Everything In It
Free-to-play alternative to Quantum Project — no purchase or trial window. Shares Indie and Adventure with Quantum Project.
USSR, 1986. A girl goes missing in the closed city of Vorkuta-5, yet not a soul seems to be concerned. Uncover the mystery behind her disappearance and transmit your signal to the universe.
- 7
93, Kuindzhi
Free-to-play alternative to Quantum Project — no purchase or trial window. Shares Indie and Adventure with Quantum Project.
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
Outpath: First Journey
Free-to-play alternative to Quantum Project — no purchase or trial window. Shares Indie and Adventure with Quantum Project.
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!