Best Free Sci-Fi Games for PC and Browser in 2021!

61 free-to-play Sci-Fi games found in our list!
Star Trek Online
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FREE
Warframe
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FREE
Crossout
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FREE

Drifters Loot the Galaxy
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FREE

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
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FREE

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.

Hyper Scape
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FREE

Hyper Scape

A futuristic urban battle royale game with powerful hacks and unique weapons!

Valorant
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FREE

Valorant

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

Unfortunate Spacemen
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FREE

Unfortunate Spacemen

Unfortunate Spacemen is a co-op multiplayer game about Shapeshifting with a Co-op Story Mode, lots of objectives and more!

Phantasy Star Online 2
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FREE

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.

Darwin Project
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FREE

Darwin Project

A free-to-play 10-player battle royale game set just prior to an impeding ice age.

Destiny 2
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FREE

Destiny 2

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

Splitgate: Arena Warfare
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FREE

Splitgate: Arena Warfare

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

Apex Legends
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FREE

Apex Legends

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

Dreadnought
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FREE

Dreadnought

A free-to-play combat flight simulator developed by Yager Development and published by Grey Box.

Spacelords
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FREE

Spacelords

A free-to-play 4v1 sci-fi shooter.

Cosmos Invictus
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FREE

Cosmos Invictus

A strategic collectible card game developed and published by Pegnio Ltd.

Defiance 2050
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FREE

Defiance 2050

A re-imagining of Trion Worlds' sci-fi shooter Defiance.

SoulWorker
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FREE

SoulWorker

A free to play anime action MMO based on the popular anime of the same title.

Ironsight
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FREE

Ironsight

A free-to-play futuristic shooter published by Aeria Games.

Champions Of Titan
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FREE

Champions Of Titan

A free-to-play sci-fi MMORPG from IDC/Games.

Closers
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FREE

Closers

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

Fortnite
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FREE

Fortnite

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

Insidia
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FREE

Insidia

A free-to-play tactical, turn-based dueling game developed and published by Bad Seed.

Quake Champions
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FREE

Quake Champions

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.

Crossout
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FREE

Crossout

A post-apocalyptic MMO vehicle combat game!

Awesomenauts
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FREE

Awesomenauts

A 3v3 2D battle arena Developed by Ronimo games.

Alien Swarm: Reactive Drop
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FREE

Alien Swarm: Reactive Drop

A free-to-play top-down tactical co-op expansion on the Alien swarm game and Source SDK.

Paladins
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FREE

Paladins

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

Star Crusade
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FREE

Star Crusade

A free-to-play sci-fi themed collectable card game developed and published by ZiMAD inc.

UFO Online: Invasion
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FREE

UFO Online: Invasion

A free-to-play post-apocalyptic, turn-based tactical combat MMO developed by Bad Pixel.

SAO’s Legend
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FREE

SAO’s Legend

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

Starbreak
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FREE

Starbreak

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

Holodrive
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FREE

Holodrive

A free-to-play 2D multiplayer shooter developed by BitCake Studio and published by Versus Evil in which players play as customizable robots or "Dummys".

VEGA Conflict
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FREE

VEGA Conflict

A Cross-Platform free to play 2D sci-fi strategy MMO.

Metal War Online: Retribution
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FREE

Metal War Online: Retribution

A high-speed multiplayer online concept car shooter game with racing elements!

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