Pokémon GO: Halloween Mischief Event Guide (Part 1: Creepy Companions) – Research, Spawns, Eggs, and More

by Thomas Cunliffe


Part 1 of Pokémon GO‘s Halloween 2021 event, Halloween Mischief, starts October 15th 2021 at 10:00 am local time. ‘Creepy Companions’, the title name for the first part of the event, focuses on Poison- and Psychic-type Pokémon, the same typing as the newly released Galarian Slowking, who is making its debut in Pokémon GO. You can find out how to obtain one by visiting our guide on ‘How to get Galarian Slowking in Pokémon GO‘.

In this guide to Pokémon GO’s Halloween event, we’ll cover everything you need to know to take full advantage of the event, including shiny Pokémon, new costumed Pokémon, Pokémon spawns, Field & Special Research tasks and more. For more information on Part 2 of the event, Ghoulish Pals, visit our news article on Pokémon GO: Halloween Mischief.

Pokémon GO Halloween Bonuses & Extras

2x Catch Candy, 2x Hatch Candy, 2x Transfer Candy & guaranteed XL candy when walking with your buddy are all active throughout both parts of the event. New Halloween-themed avatar items will be available for purchase and will stay after the end of the event. Halloween-themed stickers will be available from spinning PokéStops, opening gifts or from purchasing them in the in-game store. Three ‘Spooky Bundles’ will also be available throughout the event. Their contents and price are listed below:

Creepy Crate (480 PokéCoins)

  • 50 Pokéballs
  • 1x Remote Raid Pass
  • 2x Super Incubators
  • 4x Incense

Boo Bundle (1,480 PokéCoins)

  • 16 Premium Passes
  • 8x Super Incubators
  • 4x  Incense
  • 4x Star Pieces

Pumpkin Pack (1,480 PokéCoins)

  • 18x Super Incubators
  • 2x Incubators
  • 4x Incense
  • 4x Star Pieces

Pokémon GO Halloween 2021 Spawns (Part 1)

Halloween Mischief Pikachu and Halloween Mischief Piplup are two brand-new Halloween-themed costumed Pokémon exclusive to this event. You’ll want to catch and hold on to at least one of them both, as costumed Pokémon aren’t guaranteed to ever come back. Spinarak now has its shiny form available and will be appearing in the wild. If you don’t manage to get one, don’t worry! Spinarak’s shiny will be staying permanently after the event. Phantump and Pumpkaboo, the Pokémon making their first debut soon, will not be spawning until Part 2. A full list of spawns can be found below

* = Shiny form is available

  • Halloween Mischief Pikachu*
  • Halloween Mischief Piplup*
  • Zubat*
  • Gastly*
  • Drowzee*
  • Spinarak*
  • Misdreavus*
  • Shuppet*
  • Stunky
  • Woobat*
  • Yamask*
  • Gothita


Pokémon GO Halloween 2021 Raids (Part 1)

Giratina (Altered Forme) is staying as the 5-Star Raid boss for part 1 of the event, however, it will be swapped out for Darkrai during part 2. Giratina does have a shiny form available at a 1 in 20 chance. Halloween Mischief Drifblim, the third and final exclusive costumed Pokémon for this event, is available in 3-Star Raids and is also shiny eligible. Galarian Slowpoke is available in 1-Star raids and can now evolve into Galarian Slowking at any time, including after the event. Finally, Mega Gengar reappears in Mega Raids. A full list of raid bosses can be found below.

* = Shiny form is available

  • 1-Star Raids
    • Galarian Slowbro
    • Murkrow*
    • Scraggy
    • Yamask*
    • Espurr
  • 3-Star Raids
    • Alolan Raichu*
    • Sableye*
    • Banette
    • Halloween Mischief Drifblim*
  • 5-Star Raids
    • Giratina (Altered)*
  • Mega Raids
    • Mega Gengar*

Pokémon GO Halloween Field Research Tasks

Field Research tasks are tasks obtainable via spinning Pokéstops. The rewards are the same as the Pokémon currently spawning in the wild, with the exception of ‘Catch 25 Ghost-type Pokémon’, which rewards Galarian Yamask and is currently the only repeatable method outside of 7km eggs to obtain this regional variant, which evolves into Runerigus instead of Cofagrigus.

* = Shiny form is available

  • Catch 9 Pokémon – Drowzee* / Gothita
  • Catch 5 Ghost-type Pokémon – Halloween Mischief Piplup* / Halloween Mischief Pikachu*
  • Catch 15 Ghost-type Pokémon – Halloween Mischief Drifblim*
  • Catch 25 Ghost-type Pokémon – Galarian Yamask
  • Make 3 Curveball Throws – Spinarak*
  • Send 3 Gifts to friends – Zubat* / Woobat*
  • Spin 3 Pokéstops or Gyms – Spinarak*
  • Spin 7 Pokéstops or Gyms – 1x Rare Candy

Pokémon GO Halloween 7km Eggs (Part 1)

Various Ghost- and Psychic-type Pokémon will be appearing in 7km eggs, including Galarian Yamask and Golett. 2, 5, 10 and 12km eggs are unaffected and will function as normal. Remember that 7km eggs are only obtainable by opening gifts and having an open space in your egg inventory! A full list of Pokémon hatchable from 7km eggs can be found below:

* = Shiny form is available

  • Spinarak*
  • Misdreavus*
  • Shuppet*
  • Chingling
  • Galarian Yamask
  • Litwick
  • Golett

Special Research: What Lies Beneath the Mask?

A Special Research story is available to obtain until the end of Part 2. A full list of tasks and rewards can be found below. A guide on how to complete these will be added soon!

Page 1

  1. Catch 40 Ghost-type Pokémon – 400 Stardust
  2. Transfer 9 Pokémon – Duskull
  3. Make 49 Nice Throws – 9x Ultra Balls

Rewards: Yamask, 4000 XP, 9x Nanab Berries

Page 2

  1. Catch 40 Ghost-type Pokémon – Halloween Mischief Pikachu
  2. Make 9 Curveball Throws – 490 Stardust
  3. Use 49 Berries to help catch Pokémon – Banette

Rewards: Galarian Yamask, 4000 XP, 9x Razz Berries

Page 3

  1. Catch 40 Ghost-type Pokémon – 400 Stardust
  2. Catch 9 different species of Ghost-type Pokémon – Alolan Marowak
  3. Make 49 Great Throws – 49 Pokéballs

Rewards: Galarian Yamask, 4000 XP, 9x Pinap Berries

Page 4

  1. Claim Reward! – 49 XP
  2. Claim Reward! – 490 XP
  3. Claim Reward! – 4900 XP

Rewards: 13 Yamask Candy, 4900 Stardust

Timed Research: Halloween Cup

A Timed Research is also available and expires at the end of Part 2 on October 31st at 10:00 am local time. This research focuses purely on PvP and is to encourage people to participate in the new Halloween Cup.

  1. Battle in the GO League – Sableye
  2. Battle in the GBL 5 times – Yamask
  3. Win a Trainer Battle in the GBL – Frillish (Female)
  4. Win 4 Trainer Battles in the GBL – Umbreon
  5. Win 7 Trainer Battles in the GBL – Galarian Yamask

Rewards: 15x Yamask Candy, 15x Sableye Candy, 15x Scraggy Candy

Make sure to check back on October 22nd for a guide to Part 2 of Pokémon GO: Halloween Mischief!  In the meantime, why not check out our guide on How to Beat Arlo, Cliff and Sierra (October 2021)?

Pokémon GO is available now on Android and iOS.

- This article was updated on October 15th, 2021

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