Pokémon GO developer Niantic has officially confirmed that the highly-anticipated Pokémon GO Halloween 2017 is on the way, set to take place between October 20 and November 2. It will mark the first set of Generation 3 Pokémon from the Hoenn region in Pokémon GO, featuring Sableye, Banette, Duskull, Dusclops and more. Spooky hat Pikachu and Mimikyu’s Disguise Hat have also been confirmed. For the official announcement for Pokémon GO Halloween 2017, click here. To see the official artwork for the new spooky-themed event, click here. For the official trailer, click here. In addition to detailing Pokémon GO’s Halloween 2017 event, developer Niantic has confirmed that the rest of the Pokémon first seen in the Pokémon Ruby and Pokémon Sapphire video games will gradually arrive starting as early as December.