Top Free Sci-Fi Games for PC and Browser In 2023!

Test your mettle in Riot Games’ character-based FPS shooter Valorant.

A free-to-play, standalone mode of Epic Game's Fortnite.

A free-to-play strategic battle royale game featuring 60-player matches and team-based play.

A post-apocalyptic MMO vehicle combat game!

A browser-based 3D space-combat MMO with a massive playerbase!

A free-to-play multiplayer online FPS from Crytek, makers of the Far Cry and Crysis series of games.

Noah’s Heart is an open-world MMORPG game with a focus on exploration and socialization.

A free-to-play multiplayer Sci-Fi MMOFPS from Bungie.

Tower of Fantasy is a 3D open-world RPG, anime-style sci-fi MMO RPG game with unique characters and beautiful open vistas!

For the first time ever, a free-to-play Halo experience is available in the form of Halo Infinite’s multiplayer.

A cooperative free-to-play third person online action shooter set in an stunning sci-fi world.

A free-to-play 3D MMO with cowboys, dinosaurs, and laser guns.

The legacy of Phantasy Star Online 2 continues a thousand years later!

A free to play fast action 3D sci-fi MMO where players control space fighters jets.

A 12v12 team shooter featuring mechs based on Arthurian legend.

A Roguelike MMORPG with MetroidVania-style platformer gameplay! Castlevania and Metroid fans will love this game!

A 6v6 team-based shooter based on the Gundam multiverse

A free-to-play team-based shooter developed and published by Hi-Rez Games, the creators of SMITE.

A massively multiplayer online role-playing game, battle monsters and collect treasures!

A free-to-play, 3D, Sci-Fi MMORPG based on the popular Star Trek series.

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.

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.

A free-to-play episodic anime beat-em-up developed by Naddic Games and published by En Masse Entertainment.

A free to play fighting MMO, experience frantic battles up to 20 players.

A free to play 3d browser based tank game with fast-paced tactical battles!

A 3v3 socccer-style game with knockouts.

Space Punks is a sci-fi co-op looter shooter with graphics and humor that will likely appeal to the Borderlands fans among us.

A free to play Action RTS with MOBA elements.

A free-to-play browser MMO strategy game that puts you in command of a rapidly growing city on a dangerous alien world.

A free-to-play multiplayer shooter developed and published by 1047 games.