Challenging and addicting Tic Tac Toe game. Not your father's TicTacToe! This one features board sizes from 3x3 to 20x20, an advanced computer AI to make you feel stupid, and numerous options such as programmable # in a row to win, computer strategy setting, difficulty level, option to allow winning combinations that wrap around the screen, multiple undo moves, running game statistics, and much more! You can play X or O against the computer, or against a friend, or even let the Palm play against itself with different strategies. Non-registered version is fully functional, but wouldn't you feel better registering it to help the destitute?