"Though it's easy to get caught up in fruitless debates over genre classifications, genres are a fascinating part of any medium's evolution. Yes, they sometimes oversimplify complex works for the purposes of classification. However, a deeper look at the origins of those genres often reveals fascinating facts about the evolution of art and entertainment.
Today, we're going to take a look at the birth of some of those genres. Some were clearly created by the release of a revolutionary new title, while others can trace their origins to games that took an existing concept in a new direction. Some are world-famous, while others have been forgotten and never really got the full credit they deserved. However it happened, these are the games that helped create entire genres."