Droga5's First Work for HBO Is This Byzantine Instagram Contest for Hard-Core Fans

Test your knowledge of three hit shows

Exactly how obsessed are you with Game of Thrones, Silicon Valley and Last Week Tonight with John Oliver? HBO tests the depths of your nerd knowledge in a new campaign from Droga5—the agency's first work for the paid cable network—that sends you down a rabbit hole on Instagram, where you answer trivia to solve clues leading to fun prizes.