Top Free Sci-Fi Games for PC and Browser In 2023!65 free-to-play Sci-Fi games found in our games list!
Dark Orbit Reloaded
A browser-based 3D space-combat MMO with a massive playerbase!
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!
A post-apocalyptic MMO vehicle combat game!
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.
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 multiplayer Sci-Fi MMOFPS from Bungie.
A free-to-play strategic battle royale game featuring 60-player matches and team-based play.
A free-to-play, standalone mode of Epic Game's Fortnite.
A free-to-play multiplayer online FPS from Crytek, makers of the Far Cry and Crysis series of games.
A cooperative free-to-play third person online action shooter set in an stunning sci-fi world.
A free-to-play open-world FPS that pits three factions against each other in a never-ending war.
Star Trek Online
A free-to-play, 3D, Sci-Fi MMORPG based on the popular Star Trek series.
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.
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.
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!
A free-to-play 10-player battle royale game set just prior to an impeding ice age.
Splitgate: Arena Warfare
A free-to-play multiplayer shooter developed and published by 1047 games.
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 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.