Top Free Sci-Fi Games for PC and Browser In 2023!65 free-to-play Sci-Fi games found in our games list!
A free-to-play co-op sci-fi shooter.
A 6v6 team-based shooter based on the Gundam multiverse
A 3v3 socccer-style game with knockouts.
A 12v12 team shooter featuring mechs based on Arthurian legend.
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!
Noah’s Heart is an open-world MMORPG game with a focus on exploration and socialization.
What if you could player roller derby, but in a more organized and less physically dangerous environment?
Space Punks is a sci-fi co-op looter shooter with graphics and humor that will likely appeal to the Borderlands fans among us.
For the first time ever, a free-to-play Halo experience is available in the form of Halo Infinite’s multiplayer.
Phantasy Star Online 2 New Genesis
The legacy of Phantasy Star Online 2 continues a thousand years later!
Drifters Loot the Galaxy
Grab your Driftpacs and grappling hooks, it’s time to loot. Pick a character and dive into Blind Squirrel’s team-based shooter, Drifters Loot the Galaxy.
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.
Unfortunate Spacemen is a co-op multiplayer game about Shapeshifting with a Co-op Story Mode, lots of objectives and more!
Test your mettle in Riot Games’ character-based FPS shooter Valorant.
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.
A free-to-play 10-player battle royale game set just prior to an impeding ice age.
A free-to-play multiplayer Sci-Fi MMOFPS from Bungie.
Splitgate: Arena Warfare
A free-to-play multiplayer shooter developed and published by 1047 games.
A free-to-play strategic battle royale game featuring 60-player matches and team-based play.
A free-to-play combat flight simulator developed by Yager Development and published by Grey Box.
A free-to-play 4v1 sci-fi shooter.
A strategic collectible card game developed and published by Pegnio Ltd.
A free-to-play futuristic shooter published by Aeria Games.
A free-to-play episodic anime beat-em-up developed by Naddic Games and published by En Masse Entertainment.
A free-to-play, standalone mode of Epic Game's Fortnite.
A free-to-play tactical, turn-based dueling game developed and published by Bad Seed.
Quake Champions is a callback to the early days of the Quake IP, featuring the fast-paced action that made the IP popular over two decades ago.
A post-apocalyptic MMO vehicle combat game!
A 3v3 2D battle arena Developed by Ronimo games.
Alien Swarm: Reactive Drop
A free-to-play top-down tactical co-op expansion on the Alien swarm game and Source SDK.
A free-to-play team-based shooter developed and published by Hi-Rez Games, the creators of SMITE.
A free-to-play sci-fi themed collectable card game developed and published by ZiMAD inc.