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How to play
You're ✕ and you go first. Tap an empty square to mark it. Get three of your symbols in a row (horizontally, vertically, or diagonally) before the computer does.
See the full rules →Scoreboard (vs. the computer)
0Wins
0Losses
0Draws
How to play
Rules and tips
- You play ✕ and go first; the computer uses ◯.
- On your turn, mark an empty square on the 3×3 board.
- The first to get three symbols in a row, horizontally, vertically, or diagonally, wins.
- If every square is filled with no three in a row, it's a cat's game (a draw).
Tips to play better
- The center is part of four lines: it's usually the best opening move.
- Set up a "fork": two threats at once, which your opponent can't block in a single move.
- On Hard, the computer never slips; against it, the realistic goal is not to lose.
Controls by input type
- Mouse / trackpad: click an empty square to place your ✕.
- Touch (phone/tablet): tap an empty square to place your ✕.
- Keyboard: use Tab to move through the squares and Enter to mark one; a text notice announces each move and the result.
Questions about Tic-Tac-Toe
Frequently asked questions
By getting three of your symbols in a row: horizontally, vertically, or diagonally. Whoever does it first wins; if nobody does and the board fills up, it's a draw.
You do, always as ✕. The computer plays ◯.
No. On Hard, the computer plays perfectly and never loses. The best possible result against it is a draw.
On Easy the computer plays at random; on Medium it wins or blocks when it's obvious; on Hard it calculates every move and is unbeatable.
It's a draw: the board fills up without anyone getting three in a row. On the scoreboard, those games count as "Draws".
Your wins, losses, and draws against the computer are stored only in your browser, on your device. Nothing is sent to us.
Yes. Use Tab to move through the squares and Enter or Space to mark the focused square. A text notice announces the moves.
No. There are no dice or cards: the outcome depends only on the two players' decisions. It's pure strategy.
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