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HomeTopicsScience FictionPC Free

Best PC Free Science Fiction Games

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

All (416)Free (4)PC (313)PlayStation 5 (5)PlayStation 4 (20)PlayStation 3 (85)PlayStation 2 (44)Xbox Series X|S (2)Xbox One (21)Xbox 360 (89)Nintendo Switch 2 (1)Nintendo Switch (23)Mac (128)Linux (58)iOS (15)Android (10)

Showing 3 products

MissionForce: CyberStorm

MissionForce: CyberStorm

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

Turn-Based StrategyFreePC
Doom 3: Resurrection of Evil

Doom 3: Resurrection of Evil

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

First-Person ShootersFreeLinux · PC
Phantasy Star Online 2

Phantasy Star Online 2

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

MMORPGFreePlayStation 4 · PC · Xbox One