Object: force your opponent to take the last ball.

This game is a three-dimensional Nim variant, which is more complex than the standard Nim game. Both players remove 1 or more balls in one of the three directions: horizontally, vertically, or up-and-down. Diagonally is not allowed. To remove one or more balls take the first ball and capture the last ball.

Also includes the 4x4 variant, Major Nimrod