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Tic-Tac-Toe
Classic X's and O's - quick and fun
- 2 players
- 1–3 min
- DifficultyEasy
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Full leaderboardHow to play
- Take turns placing X or O
- First to get 3 in a line wins
- Lines can be horizontal, vertical, or diagonal
- Draw if board fills with no winner
Questions
Get three of your marks (X or O) in a horizontal, vertical, or diagonal row.
Draw a 3x3 grid. One player uses X, the other uses O. X traditionally goes first.
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.
Players take turns placing their mark (X or O) in an empty cell. Once placed, marks cannot be moved or removed. The first player to get three marks in a row wins.
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.