Tags
Free Sci-fi Games
Free-to-play sci-fi games on Steam. No upfront cost — check each game page for how it makes its money.
- Games tracked
- 14
- On sale now
- 0
- Average price
- —
- Best discount
- —
Showing 1–14 of 14 games
War Robots
Last updated 27 Sept 2026
Free
Sword Art Online: Integral Factor
Last updated 27 Sept 2026
Free
EMPTY SHELL: PROLOGUE
Last updated 27 Sept 2026
Free
Stacks:Space!
Last updated 27 Sept 2026
Free
Dark Old Sun
Last updated 27 Sept 2026
Free
Space Captain McCallery - Episode 1: Crash Landing
Last updated 27 Sept 2026
Free
Huge Enemy - Worldbreakers
Last updated 27 Sept 2026
Free
Piwall
Last updated 27 Sept 2026
Free
King Krieg
Last updated 27 Sept 2026
Free
Ball Bulét
Last updated 28 Sept 2026
Free
Luke The Hybrid
Last updated 29 Sept 2026
Free
Snapback
Last updated 27 Sept 2026
Free
Energy Tanks
Last updated 27 Sept 2026
Free
Probability Race
Last updated 27 Sept 2026
Free
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Sci-fi · Free FAQ
How many sci-fi · free games does GeekyAlien track?
GeekyAlien currently tracks 90 sci-fi · free games in the catalog.
How often are prices updated?
Prices and metadata come from the official Steam Web API and are refreshed on a daily schedule; each game page shows when its data was last updated.
How do I narrow down sci-fi · free games?
Use the filters on this page to narrow the list by genre, deals, release decade or features like co-op and controller support.
