"Guess the Number" is a puzzle game,it takes only a little time to play, but its very addictive.
Four different numbers from number 0 to number 9 will randomly generate at the begin of the game. Then you must figure out the four right numbers in all right position at the end of the game.
X A : X refer to the number of the right numbers in their right position.
O B : O refer to the number of the right numbers but not in their right position.