Most popular esports based on global viewership numbers (estimated): League of Legends  MOBA. Fortnite  Battle Royale. Counter-Strike GO - FPS  The most important FPS esports.

The series is verified by the Guinness World Records as the best-selling first-person shooter game series. It is also the most successful video game franchise created in the United States and the fourth best-selling video game franchise of all time.