Pokémon Go's huge Halloween event introduces the size mechanic Eurogamer.net If you click on a link and make a purchase we may receive a small commission. Read our editorial policy. Pokémon Go's huge Halloween event introduces the size mechanic Pikaboo. News by Tom Phillips Deputy Editor Updated on 12 Oct 2021 Pokémon Go has detailed its bumper Halloween event, which is due to run from this Friday, 15th October until the end of the month. Several Pokémon species will debut in Pokémon Go for the first time, most notably the gourd-like Pumpkaboo and Gourgeist, as well as the spooky tree creatures Phantump and Trevenant. With Pumpkaboo, Pokémon Go gets a new size mechanic. This creature is unusual as it comes in four different size variants, which then determine what size of Gourgeist it evolves into. These will be displayed correctly on the Pokémon Go map - keep an eye out for the Super Size filling it up. Watch on YouTube The first week of the event will see the debut of Galarian Slowking, with Galarian Slowpoke able to evolve into the creature for the first time. The second week of the event will debut the winged Mega Absol, which will arrive in Mega Raids. New costumed forms of Pikachu, Piplup and Drifblim will be available, including in Shiny variants, and Spinarak will also be available as a Shiny for the first time. Both weeks of the event will feature new Special Research for the season's ongoing Hoopa storyline, plus Candy-filled double event bonuses for transferring, catching and hatching creatures - plus a guaranteed Candy XL from walking with your buddy. The spooky Lavender Town theme will again be available to hear in-game after dark (listen to that above). Oh, and there's new stickers and avatar items, including being able to wear a Pikachu pumpkin on your head. Become a Eurogamer subscriber and get your first month for £1 Get your first month for £1 (normally £3.99) when you buy a Standard Eurogamer subscription. Enjoy ad-free browsing, merch discounts, our monthly letter from the editor, and show your support with a supporter-exclusive comment flair! Support us View supporter archive More News Google announces cloud gaming Chromebooks less than a fortnight after Stadia shutdown GeForce Now preinstalled. 4 Atari will hold RollerCoaster Tycoon rights for another decade Ups and downs. 7 Lady Dimitrescu will be a tad smaller in Resident Evil Village's Mercenaries DLC Level the playing field. 1 Overwatch 2 suffers another DDoS attack and character roster bugs Mei Mei. 13 Latest Articles Digital Foundry Nvidia GeForce RTX 4090: a new level in graphics performance The Digital Foundry video review - and how the new GPU champion delivers for 4K 120fps gaming. Feature Evercore Heroes wants to wind people up the right way "There's less rage at them, because they didn't end your fun." Google announces cloud gaming Chromebooks less than a fortnight after Stadia shutdown GeForce Now preinstalled. 4 Genshin Impact Path of Gleaming Jade dates, login event rewards Including other anniversary rewards and how to claim them. Supporters Only Premium only Off Topic: Take a minute to appreciate Cookin' with Coolio's incredible scallops recipe. What a great book. Premium only Off Topic: Reading City of Glass in comic form "Where exactly am I going?" Premium only Off Topic: Il Buco is a transporting film about a really big hole Underlands. Off-Topic Netflix handled Sandman brilliantly It was Dreamy. 9 Buy things with globes on them And other lovely Eurogamer merch in our official store! Explore our store