Free games like Space Prison
Below are 8 free-to-play Steam games similar to Space 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 Space Prison page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Space Prison — no purchase or trial window.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
Grimm's Hollow
Free-to-play alternative to Space Prison — no purchase or trial window. Shares Adventure and RPG with Space Prison.
A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.
- 3
Magic Archery
Free-to-play alternative to Space Prison — no purchase or trial window. Shares Simulation and RPG with Space Prison.
Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.
- 4
Control, I'm Not Coming Back
Free-to-play alternative to Space Prison — no purchase or trial window. Shares Adventure with Space Prison.
Control, I'm Not Coming Back is a short and emotional narrative game about a lost astronaut searching for a reason to keep going forward while facing the emptiness of space. Inspired by the Hopecore aesthetic, it’s a story about positivism, friendship and our human connection with Voyager 1.
- 5
Moonring
Free-to-play alternative to Space Prison — no purchase or trial window. Shares RPG with Space Prison.
A dark-fantasy, turn-based, retro-fusion of classic turn-based RPGs and roguelikes, all presented with a unique neon aesthetic.
- 6
Samorost 1
Free-to-play alternative to Space Prison — no purchase or trial window. Shares Adventure with Space Prison.
Explore the beginnings of the Samorost series in the space gnome’s original bite-sized adventure, formerly released in 2003. Now with remastered sounds, enhanced graphics, and new music by Floex.
- 7
Meteor 60 Seconds!
Free-to-play alternative to Space Prison — no purchase or trial window. Shares Simulation with Space Prison.
Meteor 60 seconds! is a simple, fun, comic-like action game that simulates your life if there were a meteor heading towards Earth and you had 60 seconds to live. Do anything you want to do with your last 60 seconds, even if it's illegal! What about planting an apple tree?
- 8
Die in the Dungeon: Origins
Free-to-play alternative to Space Prison — no purchase or trial window. Shares Strategy and RPG with Space Prison.
Fight your way through a mysterious dungeon in this deck-building, turn-based roguelike game where you don't use cards, but DICE! Deal with enemies by combining dice on your board, boost their effects with magical relics, and discover the story behind Die in the Dungeon!