The Binary Fun™: Number System Game is a challenging game where you have to put one on the place of zeros in the grid to make a correct representation of the decimal, octal or hexadecimal number given at the end of row and column Note: This game is not for those who don't want to give pain to their brain. If you want to be good at logic and reasoning then this game is for you. Only 0 and 1 could be addictive. The game has an infinite number of combinations so you will not be bored. It