Pokémon GO Halloween Event 2021: Everything You Need to Know

The Pokemon GO Halloween annual event is here and is both bigger and “badder” than ever before.

This year, the Pokemon GO Halloween event will be held during the latter half of the month and feature two separate parts. Below, we’ve broken those parts up for trainer convenience.

This Season of Mischief might be filled with tricks, but remember that there are treats as well!

During #PokemonGOHalloween, you can enjoy...

? 2× Transfer Candy
? 2× Catch Candy
? 2× Hatch Candy
? Guaranteed XL Candy from walking with your buddy pic.twitter.com/lFHAcqbjlm
— Pokémon GO (@PokemonGoApp) October 17, 2021

Pokémon GO Halloween Part 1 Explained

The first part of the event is called “Creepy Companions” and will run from Oct. 15 through to Oct. 22.

During this time, Galarian Slowking and shiny Spinarak will be making their Pokemon GO debut. Additionally, trainers will be able to pick up the next segment in Hoopa’s unique research story: Misunderstood Mischief.

Trainers can evolve their Galarian Slowpoke into Galarian Slowking by catching 30 psychic-types with that Slowpoke as their Buddy.

The following Pokémon will be appearing in the wild:

(Shiny) Halloween Mischief Pikachu
(Shiny) Halloween Mischief Piplup
(Shiny) Zubat
(Shiny) Gastly
(Shiny) Drowzee
(Shiny) Spinarak
(Shiny) Misdrevous
(Shiny) Shuppet
(Shiny) Woobat
(Shiny) Yamask
Gothita
Stunky

The following Pokemon will be available to encounter via Research rewards:

(Shiny) Halloween Mischief Pikachu
(Shiny) Halloween Mischief Piplup
(Shiny) Halloween Mischief Drifblim
(Shiny) Spinarak
(Shiny) Zubat
(Shiny) Woobat
(Shiny) Drowzee
Gothita
Galarian Yamask

7 k.m. Eggs will now offer the chance to hatch (shiny) Spinarak, (shiny) Shuppet, (shiny) Misdrevous, Chingling, Litwick, Galarian Yamask, and Golett with the latter two being more rare.

Pokémon GO Halloween Raids 2021 Part 1

One-star raids will feature:

Galarian Slowpoke
Scraggy
Espurr
(Shiny) Murkrow
(Shiny) Yamask

Three-star raids will now have:

(Shiny) Alolan Raichu
(Shiny) Sableye
(Shiny) Halloween Mischief Drifblim
Banette

Altered Forme Giratina will join the five-star Raid pool.

Mega Gengar will join the mega Raid pool.

?️ Don’t get too spooked by all the Spinarak appearing in the wild during #PokemonGOHalloween! If you close your eyes too much, you might not see whether you’ve encountered something special! ✨?️ pic.twitter.com/qIn1wSldr6
— Pokémon GO (@PokemonGoApp) October 16, 2021

Pokémon GO Halloween Part 2 Explained

The second part of the event, “Ghoulish Pals” will pick up directly after part one and run through Oct. 31.

Phantump, Trevenant, Pumpkaboo, and Gourgeist will be debuting in Pokemon GO alongside a new segement of Hoopa’s research story and a brand new size mechanic that will alter a Pokemon’s display size accordingly. It is currently unclear whether this mechanic will specifically effect Pumpkaboo or be spread to other Pokemon going forward.

A collection challenge will be available for trainers to try and collect all the various sizes of Pumpkaboo.

Additionally, the following Pokemon will be appearing in the wild:

(Shiny) Halloween Mischief Pikachu
(Shiny) Halloween Mischief Piplup
(Shiny) Gastly
(Shiny) Misdrevous
(Shiny) Murkrow
(Shiny) Shuppet
(Shiny) Yamask
Haunter
Phantump
Litwick
Purrloin
Pumpkaboo (Small)
Pumpkaboo (Average)
Pumpkaboo (Large)
Pumpkaboo (Super Size)

Trainers may encounter these Pokemon by completing research:

(Shiny) Halloween Mischief Pikachu
(Shiny) Halloween Mischief Piplup
(Shiny) Gastly
(Shiny) Spinarak
(Shiny) Duskull
(Shiny) Shuppet
(Shiny) Yamask
Galarian Yamask

7 k.m. Eggs will now hatch (shiny) Spinarak, (shiny) Shuppet, (shiny) Misdrevous, Phantump, Litwick, Galarian Yamask, and Golett with the latter two being more rare.

Pokémon GO Halloween Raids 2021 Part 1

The following Pokemon will be joining the one-star Raid pool:

(Shiny) Murkrow
(Shiny) Yamask
Phantump
Galarian Yamask
Pumpkaboo (Average)

Three-star Raids will now feature

(ShIny) Alolan Marowak
(Shiny) Halloween Mischief Drifblim
Lampent
Banette

Darkrai will be appearing in five-star Raids with a chance to be shiny. Darkrai caught during this time will know the charged move Sludge Bomb.

Mega Absol will appear in mega Raids with a shiny chance, as well.

A special Raid Weekend event will run from Oct. 30-31 at 10 a.m. to 8 p.m., local time. To celebrate the debut of Mega Absol, both it and Darkrai will appear more frequently as Raid bosses.

More information about the Pokemon GO Halloween event can be found on the official Pokemon GO news blog.

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