Short: 3D version of 0's & X's on 4x4x4 board. V1.2.1 Author: Joachim Tuckmantel Version: 1.2.1 Source: Fish collection A 3-dimensional version of "zeros and crosses" on a 4x4x4 board which can be inspected from all sides. It is possible to change the skill of the computer game, take back moves, change sides and abandon. .