1B APP math shape based game which will give your brain exercise and also gives fun to people who loves mathematical puzzle.the game has three types of mode (square,octagon and round).you can choose whatever you like from the shape picker screen from there it will take you to your desired screen.the puzzle will be random each type so which will make it complex. In all game mode you have to find the missing number from the puzzle based on the puzzle.so grab your pen and solve the puzzle.