xQuadrature for Pocket PC Cost: $12 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions xQuadrature for Pocket PC: Quadrature is a new two player strategy game made by Mark Steere. There are two ways to win in Quadrature: kill enough enemy checkers "squaring" them or get three of your stones onto the enemy "home plate". To "square" an enemy checker, you move to form a rectangle on the board with three of your checkers and one enemy checker. Quadrature won the American MENSA award.