The original game Tic-tac-toe is a paper-and-pencil game for two players, X and O, who take turns marking the spaces in a 3×3 grid. The player who succeeds in placing three respective marks in a horizontal, vertical, or diagonal row wins the game. The Tic Tac Toe Enemies implements some additional features to the game: - ability to play against your friend or against AI - ability to choose different size of the board 3×3, 4×4, 5×5, 6x6 - ability to choose winning condition - size of the winning chain