Play Super Tic-Tac-Toe Online
Nine tic-tac-toe boards, one epic strategy game. Your move decides where your opponent plays next. Win three small boards in a row to claim victory. Three AI levels or play a friend.
X to play — click any cell
What Is Super Tic-Tac-Toe?
Super Tic-Tac-Toe, also known as Ultimate Tic-Tac-Toe or Meta Tic-Tac-Toe, is a strategic evolution of the classic noughts and crosses game. Instead of one 3×3 grid, the board consists of nine small tic-tac-toe boards arranged in a 3×3 meta-grid.
The twist that makes it brilliant: wherever you play within a small board determines which board your opponent must play in next. This single rule transforms a solved children’s game into a deeply strategic contest where every move carries implications several turns ahead.
Rules of Super Tic-Tac-Toe
- The board: A 3×3 grid of nine small tic-tac-toe boards (81 cells total).
- First move: X goes first and may play in any empty cell on any board.
- Sending rule: The position of your move within its small board determines which small board your opponent must play in. For example, playing in the top-right cell of any small board sends the opponent to the top-right small board.
- Free move: If the target board is already won or completely full (drawn), the next player may play in any available board.
- Winning a small board: Get three of your marks in a row (horizontally, vertically, or diagonally) within a small board to claim it.
- Winning the game: Claim three small boards in a row on the meta-grid. If all boards are resolved with no three in a row, the game is a draw.
Strategy Tips
1. Think Two Moves Ahead
Every move you make sends your opponent somewhere. Before playing, ask: “Which board am I sending them to, and can they hurt me there?” Avoid sending your opponent to a board where they can win or where they have a strong position.
2. Control the Centre Board
The centre small board is the most valuable — it counts toward three possible meta-board lines (horizontal, vertical, and both diagonals). Claiming it early gives you a strategic advantage, just like in regular tic-tac-toe.
3. Force Your Opponent Into Won Boards
If you play in a cell whose position corresponds to an already-won or drawn board, your opponent gets a “free move” (they can go anywhere). Conversely, try to send your opponent to boards where their options are bad. This is the heart of advanced Super Tic-Tac-Toe strategy.
4. Don’t Ignore Weak Boards
It’s tempting to focus on boards you’re winning, but neglecting defence on boards your opponent controls can cost you the meta-game. Balance offensive pushes with defensive blocks.
5. Use Forced Sequences
The best players create “chains” where each move forces the opponent into a board where the only decent reply sends them back to a board you control. These cascading sequences are the key to winning at the highest level.
AI Difficulty Levels
- Easy: Plays random legal moves. Great for learning the rules and experimenting with the sending mechanic.
- Medium: Evaluates boards with heuristics — prioritises winning moves, blocks opponent wins, favours centre cells, and avoids sending the opponent to favourable boards.
- Hard: Uses minimax search with alpha-beta pruning, evaluating positions several moves deep. A formidable opponent that exploits sending sequences and positional advantages.
Super Tic-Tac-Toe vs Regular Tic-Tac-Toe
- Complexity: Regular tic-tac-toe has ~26,830 possible games. Super Tic-Tac-Toe has trillions — it is not a solved game.
- Strategy depth: Regular tic-tac-toe is trivially drawn with perfect play. Super Tic-Tac-Toe rewards long-term planning, positional control, and forcing sequences.
- Decisions matter: In classic tic-tac-toe, many moves are “obvious.” In Super, almost every move involves a meaningful trade-off between local board advantage and the global sending constraint.
Frequently Asked Questions
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