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Ultimate Tic-Tac-Toe (Super Tic-Tac-Toe, Strategic Tic-Tac-Toe, Meta Tic-Tac-Toe, Tic-Tac-Tic-Tac-Toe-Toe, (Tic-Tac-Toe)^2)

Leaderboard

Period(s)

Modern

Categories

Board, Space, Line.

Description

Ultimate Tic-Tac-Toe is a board game composed of nine Tic-Tac-Toe boards arranged in a 3x3 grid.

Rules

Each small 3x3 Tic-Tac-Toe board is referred to as a local board, and the larger 3x3 board is referred to as the global board. The game starts with X playing wherever they want in any of the 81 empty spots. This move 'sends' their opponent to its relative location. For example, if X played in the top right square of their local board, then O needs to play next in the local board at the top right of the global board. O can then play in any one of the nine available spots in that local board, each move sending X to a different local board. If a move is played so that it is to win a local board by the rules of normal Tic-Tac-Toe, then the entire local board is marked as a victory for the player in the global board. Once a local board is won by a player or it is filled completely, no more moves may be played in that board. If a player is sent to such a board, then that player may play in any other board. Game play ends when either a player wins the global board or there are no legal moves remaining, in which case the game is a draw.

Origin

Observed by Ben Orlin in 2013: https://mathwithbaddrawings.com/2013/06/16/ultimate-tic-tac-toe/

Ludeme Description

Ultimate Tic-Tac-Toe.lud

Reference

Wikipedia

Identifiers

DLP.Game.551

BGG.42336

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