Currently, there are three programs in the TicTac series that are available for you to play Tic Tac Toe on your computer.
TicTacWithTheBear© is available at no cost ... but be aware that Bongo Bear hates to lose ... so go ahead and see if you can beat him !!
TicTacWithTheSockMonkey© is available for a small charge ... Chimp the Sock Monkey is clueless and will pick available squares at random ... so even young kids will be able to beat him from time to time.
TicTacWithAFriend© ... also available for a small charge ... enables you to play the game with a friend ... each player taking turns to make his/her selection.