Free games like Deep Space Treasure
Below are 9 free-to-play Steam games similar to Deep Space Treasure, 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 Deep Space Treasure page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Deep Space Treasure — no purchase or trial window.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
Bongo Cat
Free-to-play alternative to Deep Space Treasure — no purchase or trial window. Shares Simulation with Deep Space Treasure.
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?
- 3
Sheepy: A Short Adventure
Free-to-play alternative to Deep Space Treasure — no purchase or trial window. Shares Adventure and Casual with Deep Space Treasure.
A Short Handcrafted Pixel Art Platformer that follows Sheepy, an abandoned plushy brought to life. Sheepy: A Short Adventure is the first short game from MrSuicideSheep.
- 4
NGU IDLE
Free-to-play alternative to Deep Space Treasure — no purchase or trial window. Shares Adventure and Simulation with Deep Space Treasure.
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!
- 5
Grimm's Hollow
Free-to-play alternative to Deep Space Treasure — no purchase or trial window. Shares Adventure and RPG with Deep Space Treasure.
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.
- 6
Magic Archery
Free-to-play alternative to Deep Space Treasure — no purchase or trial window. Shares Simulation and RPG with Deep Space Treasure.
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.
- 7
Eternal Senia
Free-to-play alternative to Deep Space Treasure — no purchase or trial window. Shares RPG with Deep Space Treasure.
Thoughts and expectations ARPG
- 8
Paper Lily - Chapter 1
Free-to-play alternative to Deep Space Treasure — no purchase or trial window. Shares Adventure and RPG with Deep Space Treasure.
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.
- 9
Stacks:Space!
Free-to-play alternative to Deep Space Treasure — no purchase or trial window. Shares Simulation and Casual with Deep Space Treasure.
Stacks:Space is a space-themed base builder card game with rogue-like elements. Buy booster packs to get new cards, discover craft recipes by stacking cards together, create structures, manufacture drones and droids, defend your base from enemies, visit distant planets, and more!