Top Free Sci-Fi Games for PC and Browser In 2026!
87 free-to-play Sci-Fi games found in our games list!
Strinova
A third-person tactical shooter that features the unique mechanic of allowing players to switch between three-dimensional and two-dimensional forms.
Tower of Fantasy
Tower of Fantasy is a 3D open-world RPG, anime-style sci-fi MMO RPG game with unique characters and beautiful open vistas!
Spectre Divide
A 3v3 tactical shooter developed and published by Mountaintop Studios in partnership with former pro gamer shroud,
Apex Legends
A free-to-play strategic battle royale game featuring 60-player matches and team-based play.
Star Trek Online
A free-to-play, 3D, Sci-Fi MMORPG based on the popular Star Trek series.
Phantasy Star Online 2 New Genesis
The legacy of Phantasy Star Online 2 continues a thousand years later!
Ace Online
A free to play fast action 3D sci-fi MMO where players control space fighters jets.
Phantasy Star Online 2
Welcome to ARKS, and elite task force searching dangerous planets for the corrupted Falspawn in Phantasy Star 2 Online, Sega’s popular, free-to-play sci-fi MMORPG.
Halo Infinite
For the first time ever, a free-to-play Halo experience is available in the form of Halo Infinite’s multiplayer.
Super Mecha Champions
Super Mecha Champions is a PC port of the mobile anime PvP game from NetEease, featuring a variety of modes but focusing on battle royale.
SoulWorker
A free to play anime action MMO based on the popular anime of the same title.
Entropia Universe
A 3D MMO Multi Virtual World Real Cash Economy Experience with RPG elements.
Metal War Online: Retribution
A high-speed multiplayer online concept car shooter game with racing elements!