Hard Tic Tac Toe
HardHard mode uses perfect play. Can you force a draw against the computer in tic tac toe?
Time0:00
Difficulty
Turn: X
How to play
Tap a square to place your mark. In vs Computer mode you play as X. In 2 players mode, X and O alternate on the same device.
Press keys 1–9 to play the matching square (top-left is 1).
Tips & more
Classic tic tac toe online
Tic tac toe is a fast two-player grid game. Line up three of your marks in a row, column, or diagonal to win. Our version runs entirely in the browser with no signup.
Difficulty levels
- Tic tac toe home
- Easy
- Medium
- Hard (this page)
Related games
Try Connect Four for a four-in-a-row challenge, or 2048 for a solo number puzzle.