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
Aircar
Free-to-play alternative to Space Prison — no purchase or trial window.
A simple immersive flying game built for VR. Pilot an aircar through a futuristic cityscape.
- 7
Tukoni: Prologue
Free-to-play alternative to Space Prison — no purchase or trial window. Shares Adventure with Space Prison.
Tukoni: Prologue is a point-and-click puzzle adventure, based on a series of award-winning books by the Ukrainian artist Oksana Bula. Play as Tukoni, the forest spirits, as you meet unique characters, solve captivating puzzles, craft new items, and explore a magical world filled with kindness.
- 8
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.