Best Free Sci-Fi Games for PC and Browser in 2022!

Trick out your ride and take to the post-apocalyptic roads for battle in Crossout, the free-to-play vehicular combat game from Gaijin Entertainment! Featuring a vehicle design system with endless customization and fast-paced, armor-crunching combat, Crossout offers high-octane excitement in brief and explosive matches.

Take part in huge intergalactic battles and take on the whole galaxy in DarkOrbit, the free-to-play browser-based space combat MMO from Bigpoint -- now in 3-D! Choose your faction and your ship, each with their own strengths, and take off into adventure!

Embark on a heroic quest to save humanity in Bungie's epic sci-fi MMO shooter Destiny 2, now free-to-play. Experience a wealth of content as a stalwart Titan, mysterious Warlock, or crafty Hunter, battling the enemies of humanity across the solar system.

In Closers, a free-to-play fighting MMORPG, horrific creatures are springing from mysterious dimensional gates all around New Seoul, and it's up to you to stop them! Play as one of several psychic warriors, each with their own unique backstory and special abilities, and reclaim Korea!

Star Trek Online (STO) is a free to play 3D Sci-Fi MMORPG based on the popular Star Trek series. In this massively multiplayer online game from Cryptic Studios, players can pioneer their own destiny as Captain of a Federation starship or they can become a Klingon Warlord and expand the Empire to the far reaches of the galaxy.

GetAmped 2 is a free fighting MMO game that follows the work made on Splash Fighters. In this game players enter the city of Wingdom and choose a fighter from five different classes.

Explore the Red Planet and save humanity in Mars Tomorrow, a free-to-play browser simulation game from Gamefabrik and Bytro Labs.

Step into the boots of a fresh Spartan and fight for galactic supremacy in free-to-play Halo Infinite Multiplayer

S4 League is a great free MMO game that perfectly blends nonstop shooter action with inspired anime visuals. It’s a stylish third person shooter with a fantastic and colorful anime attitude that is both terrific to look at and play.

Defend the Planet Halpha against the threat of the DOLLS in F2P sci-fi MMORPG Phantasy Star Online 2: New Genesis! PSO2:NG is a remastered version of the original PSO2, with stunning new graphics and gameplay features.

Ironsight is a free-to-play shooter set in the 2020s, when two factions fight over the last of the planet's dwindling resources. Built from the ground up in the Iron Engine, Ironsight offers top-notch visuals and dynamic battlefields.

Play Fortnite in a totally new way, in Fortnite: Battle Royale, the free-to-play spinoff of Epic Games' builder/shooter. Like other classic BR games, you'll be dropped into the world and forced to scavenge and survive.

Explore the farthest reaches of space in Cybertopia Studios’ Astro Empires, a free to play text-based space strategy MMO that gives you something you’ve always dreamed of: the chance to build your own galaxy-spanning empire among the stars. As you start with your own planet in the farthest flung regions of unknown space in Astro Empires, you will learn to gather materials and develop new technologies to turn your previously unnoticed rock into a mighty empire befitting a galactic emperor.

Space Punks is a free-to-play online co-op ARPG with a high enemy count looter shooter gameplay loop.

Dino Storm is a 3D RPG browser-based MMO by Splitscreen Studios. Players embark on a perilous journey to DinoVille, with nothing more than a change in their pockets, some ammunition, a loaded laser cannon, and your very own dinosaur.

Spiral Knights is a free-to-play 3D fantasy MMORPG Java game with a retro-inspired visual style. Anybody who dares to face the perils of these dungeons, whether alone or with a group of up to three other friends, can start their journey to the core of the Clockworks.

Taking its cues from its predecessor, Alien Swarm: Reactive Drop is a free-to-play action shooter with a top-down view and tons of extra-terrestrial baddies to exterminate. Reactive Drop includes an extensive campaign mode, PvP, and a vast array of deadly weapons to mince and mangle with.

Warface is a free to play 3D military MMOFPS developed by Crytek (best known for developing Far Cry, Crysis and CryENGINE) with next gen visuals, AI and physics powered by CryENGINE3, the same game engine behind Crysis 2. Warface provides gamers with a constantly updated extensive PVE universe full of dramatic multiplayer co-op missions that reward teamwork and individual skill and a full set of class based PVP for unmatched competitive play.

Jump into your mech and duke it out with the rest of the world in Super Mecha Champions, a free-to-play battle royale from NetEase. Your battlefield is the futuristic manga-inspired Alpha City, where you'll choose your ace pilot, select one of 10 mecha, customize it to your liking, and dash into furious combat!

Phantasy Star Online 2 is a free to play 3D MMORPG published by SEGA. Based on the original Dreamcast and Gamecube series, Phantasy Star Online 2 offers players the chance to visit detailed worlds and fight hundreds of interesting enemies.

Set in the distant future, when humanity is on the brink of extinction, StarBreak is a free-to-play platformer MMO with loads of exploration and fast-paced combat. Choose your class and follow your allies into combat in confusing mazes that are different every time you play, but watch out -- a boss lurks at the end of these zones, and if you die, you'll have to start completely over!

Apex Legends is a free-to-play battle royale set in the Titanfall universe and taking place after the events of Titanfall 2. Following the events of the Frontier War, the bloody Apex Games are in full swing, drawing in legends from all across the Frontier to fight for fame, glory, and riches!

Valorant is Riot Games' free-to-play competitive 5v5 tactical shooter, where you'll need strong gunplay and timely use of abilities to come out on top. Choose your character and participate in matches up to 25 rounds long, taking turns as attackers and defenders.

Star Trek: Alien Domain is a free-to-play sci-fi strategy game played in a web browser. The game features a new Star Trek story, dozens of new starships and alien species.

Loot and shoot to your heart's content in Drifters Loot the Galaxy, a high-flying free-to-play shooter from Blind Squirrel Entertainment! Strap on your Driftpac and bring your hard-earned loot back to the dropship, but beware -- your opponents will try to relieve you of your spoils and claim it for themselves!

Entropia Universe is free to play 3D Sci-Fi MMORPG with interesting economic and social features. MindArk’s virtual economy universe is known by many names depending on when you started playing the game and what planet was the key planet at the time.

Experience a fresh perspective on the battle royale experience with Darwin Project, a free-to-play game that takes the "game show" concept to a whole new level. As a contestant, you'll need to craft and kill your way to the top, as usual -- but the Show Director can make your life easier, or more difficult, and spectators can also weigh in, influencing the Director to aid or hinder players of their choosing.

Steel Legions is a free to play 3D strategy browser game from Splitscreen Studios, where four factions struggle for domination. It combines great 3D visuals with accessible, fast-paced PvP (player-versus-player) action.

Make new space friends and betray them all in Unfortunate Spacemen, a free-to-play shooter from New Blood Interactive. Complete objectives and hunt monsters in varied sci-fi environments ...

RF Online (or Rising Force Online) is a free to play 3D Sci-Fi MMORPG. It was initially published as a paid game but was re-released as free to play by CCR.