In the period 2008/2009, the first author competition took place at www.spielmaterial.de.

The task for the authors was to invent a new game based on a defined set of game pieces, whereby additional material could be used. Specifically, the game pieces from the Kosmos game “Giants” had to be used.

Six game suggestions from this competition were implemented in the Edition Bohrtürme. The set consists of the published 6 games of the competition, Schwarzes Gold and Namibia are the winning titles.