Free games like Osta
Below are 9 free-to-play Steam games similar to Osta, 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 Osta page.
Ranked picks
- 1
Doki Doki Literature Club!
Free-to-play alternative to Osta — no purchase or trial window. Shares Indie and Casual with Osta.
The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.
- 2
Ultimate Custom Night
Free-to-play alternative to Osta — no purchase or trial window. Shares Indie with Osta.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 3
Bongo Cat
Free-to-play alternative to Osta — no purchase or trial window. Shares Indie and Simulation with Osta.
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?
- 4
The Murder of Sonic the Hedgehog
Free-to-play alternative to Osta — no purchase or trial window. Shares Indie and Simulation with Osta.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
- 5
Indigo Park: Chapter 1
Free-to-play alternative to Osta — no purchase or trial window. Shares Indie with Osta.
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.
- 6
missed messages.
Free-to-play alternative to Osta — no purchase or trial window. Shares Indie and Simulation with Osta.
‘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 Osta — no purchase or trial window. Shares Indie and Simulation with Osta.
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 Osta — no purchase or trial window. Shares Indie and Casual with Osta.
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
Farmer's Father: The Origins
Free-to-play alternative to Osta — no purchase or trial window. Shares Indie and Simulation with Osta.
This is a free prologue of Farmer's Father. You have 60 minutes to explore, have a glimpse of the story and game mechanics. Fight with hunger, wounds, cold, disease, and enemy cruelty. Defend your family and survive the war!