1Take turns placing your mark, X or O, in an empty square.
2Get three of your marks in a row to win.
3The row can run across, down or diagonally.
4If all nine squares fill with no row, the game is a draw.
Questions
Get three of your marks (X or O) in a horizontal, vertical, or diagonal row. Win by placing three of your marks in any straight line (row, column, or diagonal). The game draws if all cells fill without a winner.
Draw a 3x3 grid. One player uses X, the other uses O. X traditionally goes first.
If you go first (X), play in a corner - it gives the most winning opportunities. If opponent starts in the center, play a corner to maximize your chances. If opponent starts in a corner, play the center.
Tic-Tac-Toe dates back to ancient Egypt. Similar games were played in Rome (Terni Lapilli) and medieval Europe. It's been 'solved' - perfect play always leads to a draw.
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