Patent ID: 8387989

Claim:
A multi-player, multi-level stacking block game apparatus comprising: (a) a 3×3 playing grid having 9 playing squares thereon; (b) a plurality of playing pieces taken from a plurality of sets of 6-12 uniquely shaped playing pieces, said playing pieces each having dimensions aligned along orthogonal x, y and z axes, and each playing piece having x, y and z dimensions that are multiples of a basic length, with the length of at least one axis being longer or short by 5% of the basic length; wherein, a score is calculated based upon: (i) the number of cubes in said playing piece; and, (ii) how many levels a particular playing piece occupies, wherein the score for playing on more than one level is a multiple of the score of playing on a single level, and wherein a decision of where to place said playing piece is made weighing score against stability.