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2 Player Tic Tac Toe

Play a friend on one screen — pass the device and take turns.

Opponent
Difficulty
YouX · moves first
BotO · Medium

Your move

How to play with a friend

The opponent is already set to Friend: just hand the device back and forth. (Not in the same room? Play online with a friend instead.) Player 1 is X and moves first; tap any empty square to place your mark. Three in a row — across, down or diagonally — wins, and a full board with no line is a draw.

Pick Best of 3 for a proper match: first to two wins, and you swap sides every round so both players get to go first. The scoreboard keeps a running tally on this device. Bigger boards work too — 4×4, 5×5 and 6×6 all need four in a row — or switch on Fade mode, where each player keeps only three marks and the board never fills.

Settle arguments with the Coach

Leave the Coach on and every move is graded from Best to Blunder for both players, with an accuracy score for each at the end. On 3×3 the grades are exact: the Coach checks every possible continuation.

Want an edge over your friend? Open in a corner: after it, only one of the eight replies — the centre — avoids a forced loss. The rest of the playbook is in How to win at tic tac toe.

Questions people ask

Can two people play tic tac toe on one device?

Yes. Set the opponent to Friend and take turns on the same screen. Player 1 is X and moves first.

How does Best of 3 work?

The first player to win two rounds takes the match, over at most three rounds. Draws use up a round, and players swap sides every round so both get to go first.

Do I need an account to play?

No. There's nothing to sign up for or download, and your scores are kept only in your own browser.

More ways to play

Play a friend onlineNew: create a game, send the link, and play live on two devices. CLASH — everyone moves at onceNew: tic tac toe for 2–4 players. Pick the same square as someone else and it cracks. Classic tic tac toeThree in a row on the board everyone knows. 4×4 tic tac toeFour in a row on 16 squares — only 10 ways to win. 5×5 tic tac toeFour in a row with room for traps: 28 winning lines. 6×6 tic tac toeThe big board. With perfect play, the first player wins. Infinite tic tac toeOur Fade mode on 3×3: keep three marks, lose the oldest. Impossible tic tac toeA bot that plays 3×3 perfectly. Can you draw?