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Play Solar System Defence

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Description: The galaxy is under attack. Your presence is needed to defend the solar system from the alien menace in this free online tower defense games called Solar System Defence. Like in many other tower defense games, your mission is very simple. In every level you have to protect a certain planet of the solar system from the alien invasion. You have to be a hero and place towers near the core in such manner that all the enemies are defeated. For every enemy you kill you will receive more money that you can use to buy more towers or upgrade the existing ones. So have fun while playing this free online tower defense game and be the hero that the galaxy needs to save it from destruction!

Control: Press the Start button when you are ready for a new wave of enemies and Next Wave button when you want to see what type of enemies you should expect. Use the mouse to select a gun and place it on the road. You can sell your towers at 75% of their initial price.

Tags: 1 Player, Flash, New tower defense games, Car games, Enemy waves, Upgrades, Free online games, Towers, Solar System, Planets, Play Solar System Defence on

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