Free games like Sci-Fantasy Defence
Below are 8 free-to-play Steam games similar to Sci-Fantasy Defence, 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 Sci-Fantasy Defence page.
Ranked picks
- 1
STRAFTAT
Free-to-play alternative to Sci-Fantasy Defence — no purchase or trial window. Shares Action with Sci-Fantasy Defence.
STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.
- 2
The Expendabros
Free-to-play alternative to Sci-Fantasy Defence — no purchase or trial window. Shares Action and Indie with Sci-Fantasy Defence.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 3
Iron Snout
Free-to-play alternative to Sci-Fantasy Defence — no purchase or trial window. Shares Action and Indie with Sci-Fantasy Defence.
Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.
- 4
Star Fetchers
Free-to-play alternative to Sci-Fantasy Defence — no purchase or trial window. Shares Action and Indie with Sci-Fantasy Defence.
The introduction to a wild ride with gangsters and deep state conspiracy theories
- 5
Disfigure
Free-to-play alternative to Sci-Fantasy Defence — no purchase or trial window. Shares Action and Indie with Sci-Fantasy Defence.
Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!
- 6
The Lab
Free-to-play alternative to Sci-Fantasy Defence — 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!
- 7
Princess Remedy in a World of Hurt
Free-to-play alternative to Sci-Fantasy Defence — no purchase or trial window. Shares Action and Indie with Sci-Fantasy Defence.
Remedy, a recent graduate from the Saturnian healing school, must descend to Hurtland and use her powers to heal everyone from stray ducks to dark lords, and finally cure the ailing Prince Hingst. It's a short, whimsical adventure with plenty of heart(s).
- 8
The Riftbreaker: Prologue
Free-to-play alternative to Sci-Fantasy Defence — no purchase or trial window. Shares Action and Strategy with Sci-Fantasy Defence.
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.