Top browser based games - Sci-Fi List 4

It’s the year 2627; five generations have passed since the new era of space colonization began. Humans have completely adapted to colony lifestyle. Despite the different cultures on each of the cont...

You play as a corporation trying to control the asteroid belt one hundred years in the future. Research tech, upgrade your bases and expand your corporate Empire with fleets of ships, while seeing off...

Exclave Online is a free persistent online MMO where you battle for territory across a vast galaxy, gathering resources and creating new technology and space ships in your laboratory to destroy your e...

PolisForge is the most advanced free nation building game available today. Other browser-based nation simulations stop at spreadsheets and basic stat management. PolisForge delivers the gameplay depth...

NULLSPACE is a free-to-play, community driven and open-source browser MMO where you build a space empire, forge alliances, and wage large-scale interstellar wars in a persistent online universe....

Free space browser game with no war and fight. Discover the power of the universe in peace and quite.

Ferion is a free, browser-based space-strategy MMO. Colonize planets, research a deep tech tree, design your own warships, run spies, and forge alliances as you battle players worldwide for control of...

In Planet War, players build massive ships to navigate the stars and > explore the Milky Way to learn of the ancient alien civilizations. > Players can explore alien technology and build allianc...

Aleryos is a free browser 4X where every emperor builds a galactic empire, creates custom ship designs, conquers worlds in space and on the ground, and competes through alliances, PvP, PvE and regular...

Battle for Serios is an online strategy space game where you take up the role of a Galactic Emperor! Fight for Serios against thousands of players from around the world! This game is like no other......