Tic-tac-toe, noughts and crosses, or Xs and Os 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 of their marks in a horizontal, vertical, or diagonal row is the winner. In this version you can choose different grid sizes. You can play against the computer or against a friend.
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Tic-Tac-Toe is an online game made with HTML5. This game will work in all modern browsers.
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