3D Noughts and Crosses
Players: Two - Also known as: 3D Tic-tac-toe
Players take turns in marking squares on a 4 x 4 x 4 grid. The first player to get four squares in a row wins.
To make the board draw four 4 x 4 grids stacked vertically, representing a 4 x 4 x 4 cube. It is easier to visualise the cube if you draw the grids in perspective.
The players take turns in drawing their symbol, O or X, in one of the cells. The first player to make a line of four cells in any direction wins. Winning lines can be horizontal, vertical, diagonal within one grid, vertical between grids, diagonal between grids, or diagonal in all three dimensions.
In the following game O started, and won by making the line shown highlighted:
A commercial version of the game, consisting of four perspex boards stacked in a cube, was marketed as Qubic by Parker Brothers from 1953.