Battlestar Galactica Online is a free to play browser MMORPG which puts you in the cockpit of a spaceship as human or Cylon to join the battle between man and machine across the galaxy, with intense space combat and cutting-edge 3D graphics. There are varied progression options that offer the freedom to create your ideal Battlestar Galactica character and multiple ships to command, with a huge variety of upgrades and customisation choices.

DarkOrbit -the real-time multiplayer shooter DarkOrbit is not just a normal space browser game. Work your way up in your company and conquer new sectors in foreign galaxies! Experience lots of action and a captivating gameplay against thousands of real opponents.

XBlaster - the real-time multiplayer shooter! XBlaster - the prize-winning science fiction browser game! Quick and action-packed real-time battles against real opponents await you in this futuristic game - just like in a shooter, you control everything with the keyboard. With 3-D design and complex flash animations, you fight futuristic gladiator battles.

Nemexia is a free web-based strategy game. Nemexia gives you the opportunity to play with more than 15,000 people in one Universe. You can fight with other players, make or join strong alliances and achieve the main Goal in the game.

Galaxy Online is a massive real-time strategy game set in the vast expanses of the universe and is easily one of the more complex free-to-play MMOs on the market.

Star Trek Online is a free-to-play massively multiplayer online game, developped by Cryptic Studios, where 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.

Mechrage is a real time strategy, browser-based, futuristic MMO game that puts you in command of a formidable army of Mechs, which are giant robots that are feared by all. The task is to build a base, collect raw materials (titanium and silicon), produce energy and train a commander to challenge other players.

Innebula is a mmorpg free2play browser based that can be played directly from your favorite browser.

Black Prophecy is a free to play fast-paced 3D real-time combat space MMO, developed by Reakktor Media GmbH for Windows with stunning visuals, focused on fast and exciting real-time combat space battles. The game allows you to fully customize your pilot avatar and ship. It's up to you what colour you choose for your ship and which ship modules and weapons you decide to use.

Pirate Galaxy is a free to play, browser-based, massively multiplayer online game set in the distant future. There are two ways to play Pirate Galaxy: Either directly in your web browser or in a stand-alone game client.

Zero Online is a sci-fi MMO that features space combat action. Players can select Infantry, Artillery or Psyche combat classes. In addition, each class has the ability to operate up to three battle mechs and command units - with the ability to transform these units into an assortment of items depending on the situation. In addition to combat and space duels, there are other PvP modes to fill your time.

Ace Online is an action based Massive Multiplayer 3D Space Shooter. Players can pilot their own fighter ships (also known as Gears), on a futuristic world where they can upgrade skills or the Gear itself. Gamers have full control over the Gear's movement, making it very different from the traditional style RPG's mouse click control method.

OGame is a strategy-game set in space. Thousands of players across the world compete at the same time. In order to play you only need a web browser.

Star Supremacy is a mmorpg free2play browser based, settled in the deep space and that can be played directly from your favourite browser.

AirRivals is a free-to-play 3D MMOG SciFi flying simulation in which you can steer different airframes through skies and space. Immerse into the diverse landscapes of planet Phillon and conquer the world above. Fight yourself through exciting missions, defend your nation and find comrades for a fight formation. Advance by founding a brigade or winning the election to become a nation`s leader.

Eve Online - Hundreds of thousands of players compete within a single persistent universe for military, economic, and political power. Players explore the suns of New Eden, mine and refine resources, drive the economy, and wage war on one another in a richly detailed virtual world far from Earth.

SpaceInvasion - the space simulation game! SpaceInvasion is completely free! As the commander of your own Imperial space force you conquer uncharted planets, found colonies and equip your Imperial fleet. Attack and defense - strategic war planning is the focus of SpaceInvasion