Top Free Sci-Fi Games for PC and Browser In 2023!
65 free-to-play Sci-Fi games found in our games list!


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



SAO’s Legend
A free-to-play browser-based MMO based on the popular anime Sword Art Online.

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

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


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!

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

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


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.


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


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

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

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


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.

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.

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


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


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


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

Splitgate: Arena Warfare
A free-to-play multiplayer shooter developed and published by 1047 games.