Play the classic 3x3 grid game against the computer. You're X, the computer is O.
Tic-Tac-Toe is the classic 3x3 grid game where two players take turns marking X and O, trying to get three of their marks in a row — horizontally, vertically, or diagonally. Here you play as X against a computer opponent playing O.
It's a fast, classic way to practice basic strategic thinking — spotting winning lines and blocking your opponent's — in rounds that take under a minute each.
Yes — the computer plays competently (it takes winning moves and blocks yours) but isn't unbeatable, so smart play and a bit of luck can win it or force a draw.
Taking the center square generally gives you the most ways to build a winning line, with corners as a strong second choice.
No — New Game only clears the board for another round. Use "Reset Stats" to clear your session's wins, losses and draws.
Your score is your total wins. Beat your personal best total to earn bonus XP, saved locally on your device.
