Free games like 5YN-OS
Below are 9 free-to-play Steam games similar to 5YN-OS, 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 5YN-OS page.
Ranked picks
- 1
Bongo Cat
Free-to-play alternative to 5YN-OS — no purchase or trial window. Shares Indie and Simulation with 5YN-OS.
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 Murder of Sonic the Hedgehog
Free-to-play alternative to 5YN-OS — no purchase or trial window. Shares Indie and Simulation with 5YN-OS.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
- 3
The Lab
Free-to-play alternative to 5YN-OS — 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!
- 4
DORONKO WANKO
Free-to-play alternative to 5YN-OS — no purchase or trial window. Shares Simulation and Casual with 5YN-OS.
『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.
- 5
Landfall Archives
Free-to-play alternative to 5YN-OS — no purchase or trial window. Shares Indie with 5YN-OS.
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!
- 6
SuchArt: Creative Space
Free-to-play alternative to 5YN-OS — no purchase or trial window. Shares Indie and Simulation with 5YN-OS.
Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!
- 7
Aircar
Free-to-play alternative to 5YN-OS — no purchase or trial window. Shares Indie and Casual with 5YN-OS.
A simple immersive flying game built for VR. Pilot an aircar through a futuristic cityscape.
- 8
Crime Scene Cleaner: Prologue
Free-to-play alternative to 5YN-OS — no purchase or trial window. Shares Simulation with 5YN-OS.
When there’s a call, you are the man to clean up after your client’s dirty job. Siding with the mafia is a dangerous game, but they pay well, and you need money, right? So take your mop and better remove those bloodstains quickly before the police come.
- 9
EmuDevz
Free-to-play alternative to 5YN-OS — no purchase or trial window. Shares Indie and Simulation with 5YN-OS.
A game about building emulators! Implement your own NEEES core in JavaScript, get instant feedback with unit/video tests, build the graphics unit in real time, learn 6502 assembly, debug test ROMs, and have fun with the included homebrew games!