Free games like Rat Prison
Below are 8 free-to-play Steam games similar to Rat Prison, 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 Rat Prison page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Rat Prison — no purchase or trial window. Shares Indie with Rat Prison.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
Paper Lily - Chapter 1
Free-to-play alternative to Rat Prison — no purchase or trial window. Shares Indie with Rat Prison.
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.
- 3
Project Kat - Paper Lily Prologue
Free-to-play alternative to Rat Prison — no purchase or trial window. Shares Indie with Rat Prison.
Project Kat is a short, unconventional RPG horror game in which there is always another way. Solve puzzles, make friends (or not), and guide Kat as she attempts to uncover the mystery behind a strange golden letter.
- 4
Cube Escape: Paradox
Free-to-play alternative to Rat Prison — no purchase or trial window. Shares Indie with Rat Prison.
The tenth Cube Escape follows the story of detective Dale Vandermeer who finds himself trapped in two different universes and needs to escape. Cube Escape: Paradox will be released together with the accompanying Paradox: A Rusty Lake Film.
- 5
Saihate Station
Free-to-play alternative to Rat Prison — no purchase or trial window. Shares Indie with Rat Prison.
An exploration/horror/adventure game about the codependent, love-hate relationship between two men.
- 6
The Children of Clay
Free-to-play alternative to Rat Prison — no purchase or trial window. Shares Indie and Simulation with Rat Prison.
The Children of Clay is a short stop motion archeology horror game, where you have to study an ancient artefact and discover its dark secret.
- 7
Hello Neighbor Alpha 2
Free-to-play alternative to Rat Prison — no purchase or trial window. Shares Strategy and Indie with Rat Prison.
Welcome to Alpha 2 of Hello Neighbor. Play against an advanced, self-learning AI in what eventually became Act 1 of Hello Neighbor - the stealth horror home invasion sim.
- 8
Lily's Well
Free-to-play alternative to Rat Prison — no purchase or trial window. Shares Indie with Rat Prison.
It is a rainy night in the Spring of 2005. Lily is left home alone after her Papa put her to bed. She is awoken by a cry for help outside her window. It is coming from the well. Help Lily gather rope to go down the well and save the poor soul trapped down there.