What is the most famous type of video game in the world?

Answer 1

I'm not sure exactly what you're asking.

Mario is the most recognized figure in gaming and (for the most part) his games are platformers.

First Person shooters as a category are often noted for their violence.

In general, most people who are not avid gamers recognize a lot of video game "types", so it's tough to tell which is the "most famous."