Plays on PC with any version of Windows®

The objective of the game being to be the first player to align 4 pieces in 3D space: “Planar, Column, Staircase or Oblique” solutions are all part of the 76 possible ways of winning this challenging game classic.

An amazing little game to develop the brain’s 3D visualization skills and strategic planning with countermoves.

The game board is comprised of four [4 x 4] plates, stacked over one another, giving a total of 64 spaces. The objective of the game is to align 4 of your pieces in any direction of Euclidian space!

Since the 1940's and 50's, mathematicians have been interested in complex three-dimensional versions of the original game of tic-tac-toe. This 4 x 4 x 4 stack is probably one of the simplest 3D variation of the classic concept tic-tac-toe.

Try beating the computer at Tetrad in expert level, it’s not easy!