About Parity is a free numbers puzzle game. The goal is to get same number on all tiles of a given board. Parity is perfect for brain training and mental exercises. Download now and enjoy solving 2000 exciting number puzzles. How to Play One of the numbers is always selected and this number can be moved by swiping left, right, up and down on the screen. Each time you move the selector, the number you select will increase or decrease by one depending on the type of tile you are stepping on. Typ