9-Way Tic Tac Toe (1977)

"Every move for you is a move for your opponent." Requires 9 times the strategy of regular tic tac toe; you are playing on a flattened-like cubic structure. Double sided playing pieces complicate strategy and game play in one part of the board affects game play in another part. "OBJECT OF THE GAME Get more "wins" than your opponent! A "win" is three in a row of your symbol ("X" or "O") in a straight line across or diagonally within one color block." There is a catch: every piece has two marks, an "X" and an "O". There are two different shapes of pieces ("rhomboids" and "wings") and each shape has two different X-O configurations. Thus there four different types of playing pieces. "Contents: Board Instruction sheet 16 pieces of each of 4 kinds X and O scoring pegs