Sokoban is a classic puzzle invented in Japan, usually implemented as a video game. The original game was created by Hiroyuki Imabayashi, which in 1980 won a competition to play against a computer. Hiroyuki Imabayashi is president of the company Thinking Rabbit Inc. in Japan. Over the years there have been many versions of the game for all platforms, and continuously new collections are created levels.

Sokoban means "warehouse keeper" in Japanese. The goal is to push the boxes (or balls) to its proper place in a small warehouse, with the minimum number of thrusts and steps. The boxes can only push, not pull them, and you can only push one box at a time. It sounds easy, but the levels range from very easy to extremely difficult, some takes hours and even days to solve them. The simplicity and elegance of the rules have made Sokoban one of the most popular games of wit