Answers revealed in the comments.
GAME 1
Four authors have had at least 30 books reach #1 on the New York Times Fiction Best Seller list. Name two of those four authors.
GAME 2
There are five animated series that originally aired on Cartoon Network (or any of its alternatively-named programming blocks) and have aired at least 200 episodes, including Ben 10 with its various installments. Name two of the other four series.
Game one answers:
James Patterson
Stephen King
Danielle Steel
John Grisham
GAME 2 answers:
Adventure Time
Regular Show
Teen Titans Go!
The Amazing World of Gumball