HOW TO PLAY
How to play Tic-Tac-Toe
A classic two-player game. Take turns marking a square in the 3×3 grid. Connect three horizontally, vertically, or diagonally to win; a full board with no line is a draw.
Controls
- Click or tap an empty square
- Players X and O alternate turns
- R: restart; F: toggle fullscreen
Tips
- The center opens up the most possible lines.
- Build your own two-in-a-row while blocking your opponent.