For some people, the world is divided into black and white because they are color blind and color blind. Imagine that you are in such a world. But this does not mean that it has become less interesting because it has ceased to be colorful. As proof of this, we present to you the game Black and White Dimensions. This is a mahjong pyramid made in three-dimensional space. It is made up of black and white square blocks. Remove two elements at a time, they should be with the same pattern, but different colors - this is the main condition. The game has forty levels, gradually becoming more difficult. To rotate the pyramid use the arrows located to the right and left of it.