Digit Master is a fun game for all the lovers of mental involving games. It involves solving simple mathematical expressions in the shortest time possible inn order to earn yourself more point. The game has two modes, single mode and the multi mode where you can compete with a friend. The game uses mostly the four main operators in mathematics. That is the ADDITION, SUBTRACTION, DIVISION and MULTIPLICATION. You can also determine how long you want to play the game. Current time duarations are 1min, 2min and 4mins. So expand your IQ by playing this game.. Its cool.