Game Tic Tac Toe AI is one of the simplest intellectual games, players are allowed to go first with the x. The computer will find a suitable move to challenge the player. To win, the player must create a row or a column or a diagonal of consecutive X letters. If the computer makes that first, it will win. If both sides fail to be winner and on the board is full, it is a draw game. Game is difficult in higher level. Especially, the computer has a algorithm of calculating the smart moves which related with Artificial Intelligence that makes the player face many challenges to be able to win.