Games died because they have to many of the same game or the game is just really bad. If you want to learn more, here is the link:

Thanks for the info, now I don't have to watch.

Games often die quickly when they become more World of Warcraft or League of Legends based.

@asbmafi "...because they have to many of the same game or the game is just really bad"

Absolutely not always the case.

Such a vague and simple answer for such a relative and more complex matter. Many games are awesone and pretty popular and they get a long time without seeing a sequel or even not seeing any version in newer generations ever again. It might have to do with sooo much more stuff.