Tic-tac-toe is a simple two-player game played on a 3x3 grid. One player uses "X" and the other uses "O." The goal is to be the first to place three of their marks in a row, either horizontally, vertically, or diagonally. Players take turns marking empty spaces on the grid. If all spaces are filled and no one has won, the game ends in a tie. Tic-tac-toe is often played as a quick and easy game for children but also helps develop strategic thinking and planning skills.

What is "tic-tac-toe"?

英語での「tic-tac-toe」の定義と意味

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