Ultimate Tic-Tac-Toe

Nine tic-tac-toe boards inside one: where you play decides which board your opponent must play next — 2 players on one phone or vs a 3-level computer

👥 1-2 players⚔️ 2-Player Duels⚡ No download · No sign-up

🕹️ How to play

How to start a game: The page opens straight into a two-player game on one screen — no account, no start button. The big board is made of 9 small tic-tac-toe boards; the first move can go in any of the 81 cells. Press and hold a cell to preview which board it would send your opponent to, then lift your finger to play.
How it differs from regular tic-tac-toe: The twist is sending: the position you play inside a small board decides which small board your opponent must play in next. Play the top-right cell of any board and your opponent can only move in the top-right board. Only that board is lit; the rest are dimmed and can't be tapped.
How to win Ultimate Tic-Tac-Toe: Get three in a row inside a small board to win it — a big mark covers it and it counts as your square on the big board. Win three small boards in a row (across, down or diagonally) on the big board to win the game. The winning boards light up gold and the result card appears below the board.
Playing with two people on one phone: Lay the phone flat and take turns — it's a fully open game, so no hiding is needed. After every move the status bar switches to the other player's colour, with a 0.25-second lock against double taps. Tap Play again and the other player starts; the score keeps adding up. Playing alone? Switch to vs computer: Beginner, Casual or Strong.

📖 Rules & variants

Board and sending: Ultimate Tic-Tac-Toe (also called super tic-tac-toe or meta tic-tac-toe) is played on 9 small tic-tac-toe boards arranged 3×3, 81 cells in all. Players alternate; whoever starts plays X. The first move may go anywhere. After that, the cell you choose inside a small board (top-left, top, top-right … bottom-right) sends your opponent to the small board in that same position of the big grid. Every move does two jobs: fight for the small board you're in and pick your opponent's next battlefield.

Winning and drawing small boards: three of your marks in a row in a small board wins it; it becomes your square on the big board and its remaining empty cells close for good. A small board filled up with no three in a row is a draw — it belongs to nobody and can't be played anymore.

Free move: if the board you are sent to is already won or full, you may play in any empty cell of any unfinished board. This page lights every playable board and the status bar says 'Free move'. A free move is a gift — sending your opponent into a finished board lets them pick their favourite spot.

Winning and early draws: claim three small boards in a row on the big board to win. When all 8 lines of the big board are blocked by the other player's boards or by drawn boards, nobody can win anymore and the game ends at once as an early draw — no need to fill the remaining cells. If every small board is finished with no line, it's also a draw.

First move and score: in 2-player mode Red starts with X in rounds 1, 3, 5 and Blue starts with X in rounds 2, 4, 6 — colours stay with the player, X goes to whoever starts. A result is booked once, on the deciding move; reloading never double-counts, and an unfinished game comes back exactly as it was. Against the computer you are Red, you start odd rounds, and each level keeps its own wins, losses and draws.

Undo and replay: in 2-player mode undo takes back one move; against the computer it takes back your move and its reply, and while it's thinking it only removes your last move. Undo is unlimited until the game ends; then use Replay to step through every move and see where each player was allowed to play.

Strategy tips: 1) don't send your opponent to a board where they're one mark from winning; 2) avoid giving free moves — a finished board is your opponent's best gift; 3) the move that wins a small board also decides where your opponent goes next, so weigh both; sometimes giving up a small board buys a better spot on the big board; 4) the center and corner boards sit on the most big-board lines and are worth fighting for.

Common variants (this page plays the standard rules): 1) finished boards stay playable — under that older rule the first player is proven to win; 2) drawn boards count for both players, or a won board can be 'won again'; 3) fast mode where the first to win a set number of small boards wins. House rules like these make the game confusing, so this page sticks to the standard 'finished boards close, sent there means free move'.

Ultimate Tic-Tac-Toe examples

Example 1 (sending): Red plays X in the top-right cell of the center board, so Blue's next move must go in the top-right board of the big grid (blue frame).

Example 2 (free move): X already owns the center board. Blue's 16th move sends Red there, so Red may play anywhere — move 17 in the left cell of the top-right board completes its middle row and wins that board.

❓ FAQ

How do you play Ultimate Tic-Tac-Toe?

You play tic-tac-toe on 9 small boards at once, and the cell you pick sends your opponent to the matching small board. Win a small board with three in a row, then win three small boards in a row on the big board to win the game. The first move and moves sent to a finished board are free.

What happens if you get sent to a finished board in Ultimate Tic-Tac-Toe?

If the board you're sent to is already won or full, you get a free move in any unfinished board. This page lights up every playable board and shows 'Free move' in the status bar. Turn it around: avoid sending your opponent into a finished board, because it lets them play anywhere.

Who gets a drawn small board in Ultimate Tic-Tac-Toe?

Nobody — a small board that fills up with no three in a row counts for neither player. It also blocks every big-board line through it, so a few drawn boards can make the game an early draw.

Is Ultimate Tic-Tac-Toe solved? Does the first player always win?

Under the standard rules there's no known first-player win, but the older variant where finished boards stay playable is proven to be a first-player win. This page uses the standard rules and alternates the first move every round, keeping a running score.

What is the best Ultimate Tic-Tac-Toe strategy?

Think about two things on every move: the small board you're in and where you're sending your opponent. Never send them to a board they can win right away, limit their free moves, and value the center and corner boards, which sit on the most big-board lines.

Is super tic-tac-toe the same as Ultimate Tic-Tac-Toe?

Yes — super tic-tac-toe, meta tic-tac-toe and 'tic-tac-toe with 9 boards' usually mean the same game. House rules vary in places (for example whether finished boards stay playable), so check which version you're playing; this page uses the standard one.

Last updated: 2026-10-21 · Saved on this device only