Add Up is an arcade game on www.flash-game.net in which you should destroy balls by selecting them so that their sum adds up to 10. Once the game starts, there are colorful balls in lines falling down continuously. Your mission is to select proper balls to click them and make the sum reaches 10. If you manage to do it, the ball clicked will disappear and you will win points. You should try your best not to let the falling balls touch the floor. You should pay attention to special balls. The balls look like bombs can destroy all of its neighbors if you click them. If you click the ball with yellow and white strips, all balls will be destroyed. The game will end if a ball hit the ground. So you should response quickly to sum numbers into 10. It is a simple but interesting game. Have fun.