Pyramid Chess

Pyramid Chess is a three dimensional chess variant. March 1998, this game was offered for sale on the Pyramid Chess webpage for 70 US dollars. Pyramic chess has pieces in Egyptian style, and features four boards stacked above each other of shapes eight by eight, four by four, two by two, and one by one, thus forming a pyramidal shape.

The website of Pyramid Chess is: http://www.pyramidchess.com/pyramidchess/