Toy enigma that challenges ingenuity. Solutions to puzzle may require recognizing patterns and creating a particular order. People with a high inductive reasoning aptitude may be better at solving these puzzles than others. Puzzles based on the process of inquiry and discovery to complete may be solved faster by those with good deduction skills. A popular puzzle toy is the Rubik's Cube, invented by Hungarian Ernő Rubik in 1974. Popularized in the 1980s, solving the cube requires planning and problem-solving skills and involves algorithms. There are many different types of puzzles, for example a maze is a type of tour puzzle.
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