Trainers,
Spooky shenanigans return during the Pokémon GO Halloween Mischief event! This time, there’ll be double the trouble and fun with a two-part event!
Scroll on to learn more or use the navigation to jump to a specific part!
Click to Navigate:
Full Event Period
10/15 - 10/31
Part 1: Creepy Companions
10/15 - 10/22
Part 2: Ghoulish Pals
10/22 - 10/31
Pokémon GO Halloween Mischief
Friday, October 15, 2021, at 10:00 a.m. to Sunday, October 31, 2021, at 8:00 p.m. local time
Available during the entire Event.
The Season of Mischief Story Continues!
Continue to follow the Season of Mischief storyline focused on the Mythical Pokémon Hoopa!
If you complete this Season’s Special Research story, you’ll gain access to a special event at the end of the Season that might have something to do with Hoopa!
A new part of the Season-long Special Research will unlock during each part of the Pokémon GO Halloween Mischief event. With more Psychic-, Ghost-, and Dark-type Pokémon appearing in the wild—along with new ones being discovered for the first time ever in Pokémon GO—this is the perfect opportunity to learn more about the Mischief Pokémon!
Halloween Cup
The Halloween Cup will be available in the GO Battle League!
Check out the Season 9 GO Battle League blog for details on the cup’s rules.
Special and Timed Research
A Special Research story—What Lies beneath the Mask?—will be available!
Ghost-type Pokémon are appearing more often than usual, and Professor Willow has tasked you with learning more about them. Notably, Yamask has started appearing in the wild, prompting his interest in learning more about Ghost-type Pokémon related to masks. What can we learn about these Pokémon—and what can we learn about ourselves in the process?
Timed Research will be available with tasks focused on participating in the Halloween Cup in the GO Battle League.
Event Bonuses
2× Transfer Candy
2× Catch Candy
2× Hatch Candy
Guaranteed Candy XL when walking with your buddy
Lavender Town Music
A remix of the iconic Lavender Town music will be playing nightly during the event. Turn up your in-game sound, and enjoy the spooky vibes!
You can also listen to the music by checking out this video. Get hyped for Pokémon GO Halloween Mischief!
Costumed Pokémon
More Costumed Pokémon will be available to encounter!
Halloween Mischief Pikachu
Halloween Mischief Piplup
Halloween Mischief Drifblim
: If you’re lucky, you may find a Shiny one!
You can also encounter Halloween Mischief Drifblim in GO Battle League reward encounters.
New Avatar Items, Stickers, and Bundles
The following new avatar items will be available to purchase in the in-game shop starting on Thursday, October 14, 2021, at 1:00 p.m. PDT (GMT −7) and will continue to be available after the event ends!
- Pikachu Pumpkin Head
- Pumpkaboo Top
- Pumpkaboo Pants
- Hoopa Headband
- Halloween Face Sticker
You’ll be able to get Halloween-themed stickers by spinning PokéStops, opening Gifts, and purchasing them from the in-game shop.
Some spooky bundles will also be available for purchase in the shop throughout the event.
- Creepy Crate (480 PokéCoins): 50 Poké Balls, one Remote Raid Pass, two Super Incubators, four Incense
- Boo Bundle (1,480 PokéCoins): 16 Premium Raid Passes, eight Super Incubators, four Incense, four Star Pieces
- Pumpkin Pack (1,480 PokéCoins): 18 Super Incubators, two Incubators, four Incense, four Star Pieces
Halloween Mischief Part 1: Creepy Companions
Friday, October 15, 2021, at 10:00 a.m. to Friday, October 22, 2021, at 10:00 a.m. local time
The first part of Pokémon GO Halloween this year is themed around creepy companions: Psychic- and Poison-, type Pokémon that can’t wait to be encountered and befriended, as well as other friendly, creepy Pokémon. Galarian Slowking, the Hexpert Pokémon, will make its Pokémon GO debut, and Shiny Spinarak will be appearing for the first time in Pokémon GO, too!
Season of Mischief Special Research Story Unlock
The next part of the Season of Mischief Special Research story, Misunderstood Mischief, will unlock.
If you complete this Season’s Special Research story, you’ll gain access to a special event at the end of the Season that might have something to do with Hoopa!
Strange Pokémon are appearing in Pokémon GO, including Pokémon originally discovered in the Galar region like Galarian Slowking! Could this be a result of Hoopa’s rings? Let’s tackle this mystery together and learn more about Hoopa!
Galarian Slowking
Galarian Slowpoke will now be able to evolve into Galarian Slowking!
To evolve it, set a Galarian Slowpoke as your buddy, and catch 30 Psychic-type Pokémon.*
* You’ll also be able to evolve Galarian Slowpoke into Galarian Slowking after the event ends.
Wild Encounters
The following Pokémon will be appearing more frequently in the wild. Also, for the first time in Pokémon GO, you’ll be able to encounter a Shiny Spinarak, if you’re lucky!
Halloween Mischief Pikachu
Zubat
Drowzee
Gastly
Spinarak
Misdreavus
Shuppet
Halloween Mischief Piplup
Stunky
Woobat
Gothita
If you’re lucky, you might encounter the following.
Yamask
: If you’re lucky, you may encounter a Shiny one!
Raids
The following Pokémon will be available to encounter in raids.
One-Star Raids
Galarian Slowpoke
Murkrow
Scraggy
Yamask
Espurr
Three-Star Raids
Alolan Raichu
Sableye
Banette
Halloween Mischief Drifblim
Five-Star Raids
Altered Forme Giratina
Mega Raids
Mega Gengar
: If you’re lucky, you may encounter a Shiny one!
Eggs
7km Eggs
Spinarak
Misdreavus
Shuppet
Chingling
Litwick
Galarian Yamask
Golett
: If you’re lucky, you may encounter a Shiny one!
:This list is organized by rarity, with one Egg icon being most common and five Egg icons being most rare.
Field Research Task Encounters
The following Pokémon will be available to encounter when you complete Field Research tasks.
Halloween Mischief Pikachu
Zubat
Drowzee
Spinarak
Halloween Mischief Piplup
Woobat
Gothita
If you’re lucky, you might encounter the following.
Halloween Mischief Drifblim
Galarian Yamask
: If you’re lucky, you may encounter a Shiny one!
Pokémon GO Halloween Part 2: Ghoulish Pals
Friday, October 22, 2021, at 10:00 a.m. to Sunday, October 31, 2021, at 8:00 p.m. local time
The second part of Pokémon GO Halloween Mischief is called Ghoulish Pals! Ghost types will be appearing more often everywhere as we get closer and closer to Halloween. The spectacularly spectral Pumpkaboo and Phantump will make their Pokémon GO debuts, alongside their Evolutions, Gourgeist and Trevenant! We’re also getting word that you’ll be able to encounter Pumpkaboo of varying sizes, just like you can in the Kalos region. Gourgeist evolved from Pumpkaboo will also vary in size! During this time, intrepid Trainers can complete a Collection Challenge that’ll encourage them to seek these Ghost-type Pokémon!
Season of Mischief Special Research Story Unlock
The next part of the Season of Mischief Special Research story, Misunderstood Mischief, will unlock.
If you complete this Season’s Special Research story, you’ll gain access to a special event at the end of the Season that might have something to do with Hoopa!
Professor Willow has a frightening but eye-opening encounter with some Phantump and Trevenant in a forest! This reminds him that Hoopa is also a Ghost-type Pokémon, so perhaps this is the perfect opportunity to do more research on the spooky, spectral Pokémon around us.
Pokémon Debuts
Phantump, Trevenant, Pumpkaboo, and Gourgeist make their debuts in Pokémon GO!
Phantump
Trevenant
Pumpkaboo
Gourgeist
New Size Mechanic
With the introduction of Pumpkaboo comes a new mechanic to Pokémon GO: Pumpkaboo that are larger will actually look larger in the game!
Pumpkaboo
Small Size
Average Size
Large Size
Super Size
Gourgeist
Small Size
Average Size
Large Size
Super Size
Collection Challenge
In celebration of Pumpkaboo’s debut and the mechanic it introduces, a Collection Challenge will be available that requires you to collect Pumpkaboo of various sizes.
Wild Encounters
The following Pokémon will be available to encounter in the wild.
Halloween Mischief Pikachu
Gastly
Murkrow
Misdreavus
Shuppet
Halloween Mischief Piplup
Purrloin
Phantump
Small Size Pumpkaboo
Average Size Pumpkaboo
If you’re lucky, you might encounter the following.
Haunter
Yamask
Litwick
Large Size Pumpkaboo
Super Size Pumpkaboo
: If you’re lucky, you may encounter a Shiny one!
Raids
The following Pokémon will be available to challenge in raids.
For the first time in Pokémon GO, Mega Absol will be available to challenge in Mega Raids!
One-Star Raids
Murkrow
Yamask
Galarian Yamask
Phantump
Average Size Pumpkaboo
Three-Star Raid
Alolan Marowak
Banette
Halloween Mischief Drifblim
Lampent
Five-Star Raid
Darkrai
Mega Raids
Mega Absol
: If you’re lucky, you may encounter a Shiny one!
Darkrai caught during this period will know the attack Sludge Bomb
Pokémon GO Halloween Mischief Special Raid Weekend
Saturday, October 30, 2021, at 10:00 a.m. to Sunday, October 31, 2021, at 8:00 p.m. local time
In celebration of Halloween weekend and the introduction of Mega Absol in Mega Raids, Mega Absol and Darkrai will appear more frequently in raids!
Eggs
The following Pokémon will be hatching from Eggs obtained during the event.
7km Eggs
Spinarak
Misdreavus
Shuppet
Litwick
Phantump
Galarian Yamask
Golett
: If you’re lucky, you may encounter a Shiny one!
:This list is organized by rarity, with one Egg icon being most common and five Egg icons being most rare.
Event Field Research Task Encounters
The following Pokémon will be available to encounter when you complete Field Research tasks!
Halloween Mischief Pikachu
Gastly
Spinarak
Shuppet
Duskull
Halloween Mischief Piplup
If you’re lucky, you might encounter the following.
Yamask
Galarian Yamask
: If you’re lucky, you may encounter a Shiny one!
Face off against spooky Pokémon in raids, take part in Halloween-themed events like the Halloween Cup and a Special Raid Weekend, and pick up some new avatar items in the shop to dress your best for this year’s Pokémon GO Halloween Mischief!
Please be aware of your surroundings and follow guidelines from local health authorities when playing Pokémon GO. Upcoming events are subject to change. Be sure to follow us on social media, opt in to receiving push notifications, and subscribe to our emails to stay updated. For the latest on in-game events and feature updates, be sure to check this help center article.
—The Pokémon GO team
