Think you know Tic Tac Toe? Think again.

👉 Play now at ultimate-tttoe.netlify.app 

Ultimate Tic Tac Toe puts you in control of 9 boards at once. Win 3 mini boards in a row to claim the game — but here's the twist: every move you make sends your opponent to a specific board next. Suddenly every single square matters.

How to play: The board you play in determines where your opponent must go next. Block their strategy. Think three moves ahead. Win!

Features:

  • Play vs a friend on the same screen
  • Challenge the AI on Easy, Medium, or Hard
  • Fully free — no download, no sign up, play instantly in your browser
  • Works on mobile and desktop
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