Tower Builder Online 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). Now you are a tower builder and your job is build a tower as high as you can. You need to release your tower at appropriate time. Don't screw up. good luck! 85.44% of 220 players like the mobile game.