Ultimate
Tic Tac Toe squared
Nine mini-games at once, and every move dictates where your opponent plays next. The forced-move rule turns a kids' game into a chess-level duel.
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More Ways to Play Tic Tac Toe
Daily Tactical Puzzles
Spot the winning move in one turn or force a fork in two to hone pattern recognition.
5×5 Strategic Board
More room to craft double threats and dramatic comebacks across 25 open squares.
Play Online with Friends
Send a private 6-letter room code and connect peer-to-peer instantly with no accounts.
Play vs Computer
Test your opening traps against three AI difficulties from casual to unbeatable.