Promo code (Tic Tac Mo): 12345Play Tic Tac Toe with three! Three players are assigned X, O and Y. Each in turn places their symbol in an empty square on the grid. The first to achieve three in a row wins! Tic Tac Toe One versus the computer, two versus the computer or three people against each other. This revolutionary Tic Tac Toe version of the classic game will be a favorite for many years to come.