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About Ultimate Tic Tac Toe
Tic Tac Toe HTML5 is the most famous strategy game.
Play the classic Tic Tac Toe on a 3x3 grid or switch things up with 5x5 and 7x7 versions where you need to get 4 in a row to win.
The Ultimate Tic Tac Toe game on Play123 has a leaderboard for saving scores.