Free games like Spacebase DF-9
Below are 8 free-to-play Steam games similar to Spacebase DF-9, 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 Spacebase DF-9 page.
Ranked picks
- 1
Helltaker
Free-to-play alternative to Spacebase DF-9 — no purchase or trial window. Shares Indie with Spacebase DF-9.
Helltaker is a short game about sharply dressed demon girls.
- 2
Ultimate Custom Night
Free-to-play alternative to Spacebase DF-9 — no purchase or trial window. Shares Indie with Spacebase DF-9.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 3
Bongo Cat
Free-to-play alternative to Spacebase DF-9 — no purchase or trial window. Shares Indie and Simulation with Spacebase DF-9.
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?
- 4
The Murder of Sonic the Hedgehog
Free-to-play alternative to Spacebase DF-9 — no purchase or trial window. Shares Indie and Simulation with Spacebase DF-9.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
- 5
NGU IDLE
Free-to-play alternative to Spacebase DF-9 — no purchase or trial window. Shares Indie and Simulation with Spacebase DF-9.
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!
- 6
Awaria
Free-to-play alternative to Spacebase DF-9 — no purchase or trial window. Shares Indie with Spacebase DF-9.
Awaria is a short game about working in haunted maintenance tunnels.
- 7
Grimm's Hollow
Free-to-play alternative to Spacebase DF-9 — no purchase or trial window. Shares Indie with Spacebase DF-9.
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.
- 8
The Expendabros
Free-to-play alternative to Spacebase DF-9 — no purchase or trial window. Shares Indie with Spacebase DF-9.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.