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It is well-known that gaming industry has much potential Worldwide. Logical gaming devices represent one segment of the gaming industry.
Unlike gambling machines in a casino, which are now subject for restriction measures in this country, logical gaming devices improve abstract thinking abilities and imagination, what is essential, in children and teenagers, and the usage of logical gaming devices is not restricted.
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I remember 1950s, when many people enjoyed playing a logical game, which is called the 15 puzzle. People in public transport, people walking on streets were all the time moving small squares with numbers across the playing area with borders – so strong was the dedication. The aim of the game was to rearrange the numbered squares, premixed, into a specific sequence, by moving them one after another via the free space of the missing sixteenth square. The final pattern might be anything from the ascending sequence to the descending sequence, or anything else, 15 pieces may be beautifully arranged in many ways. The game was very popular for several decades, maybe until 1970s, when Rubik invented his Cube.
Many readers may remember the time, when playing the Cube was everyone’s obsession. Rubik’s Cubes were costly those days, still some people purchased several different Rubik’s Cubes to have a home collection of the cubes. Mass media reported Rubik’s Cube sales volumes “high above the sky”, dozens of millions every year, those who participated in the industry lived like in paradise.
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