Best PC Free Science Fiction Games

Games set in futuristic or speculative universes with sci‑fi themes.

All (1063)Free (15)PC (715)PlayStation 5 (9)PlayStation 4 (61)PlayStation 3 (183)PlayStation 2 (132)Xbox Series X|S (4)Xbox One (59)Xbox 360 (187)Nintendo Switch 2 (3)Nintendo Switch (65)Mac (221)Linux (111)iOS (52)Android (38)VR (4)

Showing 13 products

Eve Online

Explore, fight, and build your empire in a massive sci‑fi sandbox.

MMORPGFreeLinux · PC · Mac

Savage: The Battle for Newerth

An innovative hybrid of first-person shooter and real-time strategy gameplay set in a fantasy sci-fi world.

Multiplayer & OnlineFreeLinux · PC · Mac

End of Nations

A tactical MOBA developed by Trion Worlds that combined RTS gameplay with massive multiplayer battles.

Real-Time StrategyFreePC

Scarlet Blade

A free-to-play sci-fi MMORPG featuring heavily-sexualized female characters.

MMORPGFreePC

Cartoon Network Universe: FusionFall

Team up with Cartoon Network heroes in a free‑to‑play sci‑fi MMO shooter.

MMORPGFreePC · Mac

Blacklight: Retribution

Engage in futuristic free-to-play tactical first-person combat.

First-Person ShootersFreePlayStation 4 · PC

Hack

Delve deep, retrieve the Amulet of Yendor, and die gloriously.

Roguelike / RogueliteFreePC · Linux · Mac

Dreamweb

A dark cyber‑punk point‑and‑click adventure where a bartender must kill seven evils.

Puzzle AdventureFreePC

Dirty Bomb

A fast-paced, hardcore team-based first-person shooter set in a post-apocalyptic London.

First-Person ShootersFreePC

Phantasy Star Online 2

A free-to-play sci‑fi fantasy MMO where you hunt, craft, and explore together.

MMORPGFreePlayStation 4 · PC · Xbox One

Doom 3: Resurrection of Evil

A free, horror‑filled expansion that deepens Doom 3’s dark sci‑fi nightmare

First-Person ShootersFreeLinux · PC

MissionForce: CyberStorm

Command mech armies in a gritty sci‑fi turn‑based strategy

Turn-Based StrategyFreePC

Tyrian

Classic retro scrolling shooter with deep ship customization

Action & ShooterFreePC

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