Best Free Sci-Fi Games for Browser in 2024!

8 Free-to-play browser Sci-Fi games found in our list! You can find the best and newest browser Sci-Fi games by using the filters.
Dark Orbit Reloaded
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FREE
Starbreak
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FREE
Mars Tomorrow
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FREE

Dark Orbit Reloaded
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FREE

Dark Orbit Reloaded

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!

Mars Tomorrow
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FREE

Mars Tomorrow

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

Starbreak
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FREE

Starbreak

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!

MMORPGAvailable on Windows Available on Browser
Star Trek: Alien Domain
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FREE

Star Trek: Alien Domain

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.

Dino Storm
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FREE

Dino Storm

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.

Steel Legions
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FREE

Steel Legions

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.

Astro Empires
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FREE

Astro Empires

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.

Pocket Starships
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FREE

Pocket Starships

Blast off into adventure in Pocket Starships, a free-to-play browser MMORPG with fast-paced starship-fighting action! Play with your friends or go it alone by taking quests from NPCs.

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