Tic Tac Toe
Three in a row. One more round.
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Select an empty square to play.
A quick game, a little strategy
Take turns placing X and O. Complete a row, column, or diagonal to win. If all nine squares fill without a line, it’s a draw. Play the computer or pass the same device between two players.
Controls and match settings
Tap an empty square, or use Tab to enter the board and arrow keys to choose a square. Enter or Space places your mark. With the board focused, 1–9 plays the matching square from top left to bottom right.
First move applies to every round. New round keeps your score. Reset match or changing an option clears the board and score. Scores last for this visit; refreshing starts a fresh match. Hints are optional and available to either player.
How the computer and hints work
Normal chooses a random open square. Hard takes an immediate win or blocks your immediate win, then chooses randomly. Impossible looks ahead through every possible reply and cannot be beaten with legal play. You can still force a draw.
Show hint uses the same full search for the player whose turn it is. It suggests one best move and explains the position. A hint stays on the board until the next move or new round.
Connect 4
Rock Paper Scissors