StarJack.io is an amazing game about space, spacecrafts and their inhabitants. Conquer the galaxy in this awesome multiplayer online strategy game SarJack.io. You can play this game online and for free on Silvergames.com. Enter a match against other players from all over the world and start automatically building units. Once you have a large number of spaceships you can invade a planet controlled by an enemy.
Use different kinds of technology to protect you base or attack your opponents and try to take them all by surprise to rule the whole galaxy. The more spaceships and planets you own, the higher your score, so be smart and wait for the right moment to atack. Enjoy StarJack IO!