Tic-Tac-Toe 4D puts a new spin to the familiar game of Tic-Tac-Toe – in
4 dimensions. The aim is to form as many "triples" (3-in-a-row) as
possible in a 3x3x3x3 grid. Up to 4 players (including
computer-controlled players) can play, and the game ends when the board
is full.
