Top browser based games - Sci-Fi List 4

Nebula 44 is a free MMORTS game that tries to blend web strategy and RTS genres, providing unique and exclusive gameplay! It is sci-fi themed and completely free to play.

Evolution is a free strategy game, pitting players together in a non-stop battle for universal domination. Play right in your web browser, from anywhere in the world -- no need to download or install...

Neurostaza is browser based, free to play MMORPG game set in postapocalytpic world.

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...

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

Build your empire among the stars. OGameXL is a free space strategy MMO in the classic OGame style, rebuilt with a modern interface, fast universe speeds and 13 languages. Play straight in your browse...

LAST-WAR is a persistent multiplayer sci-fi strategy game with research, colonization, espionage, alliances, trading, PvP fleet combat and custom ship design across seven galaxies....

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...

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...

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......

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....

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...

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...