The Pokémon Company has announced a special Halloween event for Pokémon GO. The event will start October 26, 2016 and ends at November 1. This is no trick but maybe a treat but they do have candy if you catch and hatch Pokemon . You get twice as many if you have a buddy. Here is the following Pokemon that will appear in this event:
Gotta to catch them all before they disappear into the darkness. Addition to the Halloween edition there will be updates for the eggs (different patterns depending on the distance), minor texts, low battery indicator added for the Pokémon GO Plus and Pokémon type icons have been added.