Free games like Prison Forever
Below are 8 free-to-play Steam games similar to Prison Forever, 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 Prison Forever page.
Ranked picks
- 1
NGU IDLE
Free-to-play alternative to Prison Forever — no purchase or trial window. Shares Indie and Adventure with Prison Forever.
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!
- 2
The Lab
Free-to-play alternative to Prison Forever — 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!
- 3
Cinderella Phenomenon - Otome/Visual Novel
Free-to-play alternative to Prison Forever — no purchase or trial window. Shares Indie and Simulation with Prison Forever.
The Fairytale Curse was only the beginning...
- 4
Landfall Archives
Free-to-play alternative to Prison Forever — no purchase or trial window. Shares Strategy and Indie with Prison Forever.
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!
- 5
SuchArt: Creative Space
Free-to-play alternative to Prison Forever — no purchase or trial window. Shares Indie and Adventure with Prison Forever.
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!
- 6
Epic Battle Fantasy 3
Free-to-play alternative to Prison Forever — no purchase or trial window. Shares Indie and Adventure with Prison Forever.
Epic Battle Fantasy 3 is a silly turn-based JRPG, full of useless NPCs, rabid cats, childish humor, unreasonably large weapons, anime boobs, and other nonsense. And it's totally free!
- 7
The Riftbreaker: Prologue
Free-to-play alternative to Prison Forever — no purchase or trial window. Shares Strategy and Indie with Prison Forever.
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.
- 8
Sprout
Free-to-play alternative to Prison Forever — no purchase or trial window. Shares Strategy and Indie with Prison Forever.
Embark on a casual, botanical-puzzle-adventure. Make friends, learn new skills, solve puzzles, and become the mighty oak that you were always meant to be.