Problems are a wonderful means to spend time while enjoyable and training your mind. There are many different types of problems, and one of the most preferred among them is the so-called 'difference game '. This is a type of problem in which players must locate a particular number of differences between two otherwise similar photos. Such problems can be offered either in the kind of paper books or magazines, or in the kind of mobile applications or on-line games. The idea of this game is to identify tiny details in two similar photos and mark them on one of them. The faster and more properly the player locates all the differences, the better the opportunity of winning.
