For instance, in the section of the DSM-5 on gaming disorder, there are nine suggested criteria: a preoccupation with video games, such as frequently thinking about them even when not playing them; withdrawal symptoms during attempts to stop playing or during periods without the opportunity to play; the buildup of ...

The NES revitalized the U.S. video game market, and by 1989, the U.S. market has resurged to $5 billion. Over 35 million NES systems were sold in the U.S. through its lifetime, with nearly 62 million units sold globally.