Pokémon Go was destined to be fairly successful, but no one, not even the mobile game’s creators, believed it would generate this much interest. It has done wonders for Nintendo’s stock; it has topped app charts on the App Store and the Google Play Store; and servers are repeatedly going down due to large swaths of trainers playing the augmented reality game as it continues its global rollout. It’s an understatement to say that Niantic Labs’ Pokémon Go is a success, but is the game a summer fad or here to stay? Here’s everything you need to know.