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About Tic-Tac-Toe
Play noughts and crosses against the computer. Choose Easy, Medium or Hard — on Hard the computer never makes a mistake, so the best you can do is a draw!
How to play
- You are X and the computer is O. Take turns placing your mark.
- Get three in a row — across, down or diagonally — to win.
- Click or tap a square, or press keys 1–9 (top-left is 1). Arrow keys move between squares.
- Pick a difficulty at the bottom. Press N for a new round.
