Nintendo tumbler puzzle Nintendo tumbler puzzle The Nintendo tumbler puzzle, also known as the "Ten Billion Barrel" in English and originally in Japanese, is a mathematical puzzle in the style of Rubik's Cube. It was invented by Gunpei Yokoi of Nintendo in 1980 and was covered by (until the patent expired in March 1995 due to non-payment of a maintenance fee). It consists of a "cylinder" of transparent plastic divided into six levels, together with a black plastic "frame". The frame consists of upper and lower discs that are joined together through the middle of the cylinder. The top and bottom levels of
Professor Layton and the Unwound Future Game: Spawn Point"'s two presenters praised the memo overlay feature and said, "If you're a Layton fan, then you're going to get exactly what you expect — which is some very polished and brilliant puzzle action." "Nintendo Power's" review said, "I have no qualms calling this the best Professor Layton game yet", and, in the 2010 Nintendo Power awards, the game was recognized as both the best puzzle game and the game with the strongest ending released in 2010. In Japan, "Famitsu" gave the game a score of one nine and three eights for a total of 33 out of