From the box :
The brainchild of Yale professor Donald Green and acclaimed as one of the greatest modern strategy games, Octi is easy to learn and fun for game-lovers of all ages. What makes Octi's patented game system distinctive? Octi pieces grow - they become more powerful and agile. Each turn, players decide whether to move their pieces or improve them. By giving players the freedom to design their pieces, Octi unleashes a new level of creative thinking.