Try facing this ultimate battle: Solar system Defence - tower defence style? You have to defend all the planets from the solar system from enemies that are trying to take over the galaxy. Prove you are the hero in these defence car games and defeat all incoming enemies.Build carefully your tower defence line, and try to keep it upgraded to be able to destroy all your enemies. Try to repel all the waves and keep your planet intact all the way. Let`s win this free online flash game called Solar system Defence. Play defence car games and enjoy the complexity of the maps and levels.