DEF island! is an online HTML5 game presented by yiv.com, it's playable in browsers such as safari and chrome. You can play the game on smartphone and tablet (iPhone, iPad, Samsung, Android devices and Windows Phone). There are many enemies want to occupy your island, can you stop them by destroying their boats and airplanes? Use the circle to aim at the ships and shoot the cannon, they won't stop their step, so you need to predict their position and defeat them. Hope you can guard your island! 93.18% of 57 players like the mobile game.