Are these PC games really free?

Yes! All games in our library of 24,180+ titles are completely free to download and play. We provide pre-installed game packages that work immediately without requiring Steam, launchers, or additional software. You can also use the SteamUnlocked Launcher to browse and download directly from your desktop.

Do I need to install these games?

No installation required. Our games come pre-installed in portable packages. Simply download, extract with 7-Zip, and play immediately. No setup wizards, no configuration needed. Or use the SteamUnlocked Launcher which handles extraction automatically.

Is SteamUnlocked safe?

We test every game package before publishing. Some antivirus tools may occasionally flag modified or pre-installed game files. Check our FAQ for more details on safety and troubleshooting.

Do these games work on Steam Deck?

Many of them do! We have a dedicated Steam Deck Compatible Games collection with over 11,000 verified and playable titles you can download and play on Valve's handheld.

Sci Fi Games

194 games

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Lunar Nightmare (v17)

REVO (v1.0.16)

Nevultra (v17)

Astrox: Hostile Space Excavation (v67)

Born Punk (v17)

Battlezone 98 Redux (v2.0.155)

Action Ball 2 (v17)

ALAN-13 Reformation (v2.1.036)

Satellite Odyssey: Prologue (v1.0)

Warhammer 40,000: Space Marine 2 (v2025.03.04 & ALL DLC) (v2025.03.04 & ALL DLC)

Blind Touch (v1.16.3)

ROMEO IS A DEAD MAN (v17)

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