Rubik's family cubes of all sizes Rubik's family cubes of all sizes The original Rubik's cube was a mechanical 3×3×3 cube puzzle invented in 1974 by the Hungarian sculptor and professor of architecture Ernő Rubik. Extensions of the Rubik's cube have been around for a long time and come in both hardware and software forms. The major extension have been the availability of cubes of larger size and the availability of the more complex cubes with marked centres. The properties of Rubik’s family cubes of any size together with some special attention to software cubes is the main focus of this article. Many properties are mathematical
Professor Layton and the Last Specter prevented the game from being released before the end of 2011. Every puzzle in "Last Specter" was created by Akira Tago, a Japanese professor and author of the Atama no Taisō series of puzzle books, which has sold more than 12 million copies within Japan. The game was produced by Level-5 CEO Akihiro Hino, and designed around the concept of , detailing how Professor Layton met his apprentice, Luke. The "Professor Layton" series was envisioned as a trilogy, to be completed with the release of the third game, "Professor Layton and the Unwound Future". In spite of this, Hino said