Tower Defense is one of the most challenging and strategic 3D. The upgrade system in weapons boosts the gun power and helps to fight enemies with great courage. Once you become a legend of this game then no other legend in the world will be able to defeat you. Fighting your enemies in this is a challenging task. The thing that matters is that people of any age can play it. They can be adults or kids. Anyone can feel the epic adventure through this game. This is adults and kids games that can be played offline and it is totally free. The key to pass each level is to stay tactical and strategic defense in each level to win. Moreover, this Sci-fi Tower Defense game is a strategy 3D game having quality graphics and good sounds collection that can bring an enjoyable experience of fighting to your life and you can enjoy multi levels and different guns and towers that can help you save your space world by fighting your enemies.