Sumon the magic formula for you to exercise your mind as you play addition games. Train your number skills with Sumon, a game for all ages, where Math operations turn into fun that will keep you entertained for hours on end. The objective is easy: you have to tap the numbered boxes and put them together until they add up to the correct sum. As you clear levels, the challenge becomes greater. Choose your gameplay mode (classic, progressive, or respawn) and become the king of addition.