User:TehPerson/Form differences in Pokémon GO

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In Pokémon GO, all forms are determined at the time of capture and cannot be changed, regardless of the mechanics in the core series. Although every species has one Pokédex entry each, alternate forms of the same species are registered as different. This means that even if a player has one form of the species registered in the Pokédex, an alternate form, if not yet obtained, will still appear as a silhouette in the "Nearby" view, and receiving one in a trade requires a Special Trade.

Alternate forms

The following lists the alternate forms that do get registered in the Pokédex.

Regional forms

Regional forms were first introduced to Pokémon GO around the time Pokémon Ultra Sun and Ultra Moon was officially announced. Some species appear in the wild, while others are exclusive to 7 km Eggs, raids, and later, Field Research (with the exception of limited-time events). Galarian Weezing was introduced on November 16, 2019, in raids to celebrate the release of Pokémon Sword and Shield.

Obtainability Pokémon
Wild encounters RattataDiglettGeodudeExeggutor
Non-wild encounters RaichuSandshrewVulpixMeowthMeowthGrimerMarowakWeezingZigzagoonDarumaka

Unown

This section is incomplete.
Please feel free to edit this section to add missing information and complete it.

Certain forms of Unown have been made available in increased spawns during certain local events. The forms available typically correspond to the characters of a word related to the event.

Event Word Unown forms
Pokémon GO Fest 2017
(July 22, 2017)
CHICAGO Unown (A)Unown (C)Unown (G)Unown (H)Unown (I)
Pokémon GO Park
(August 9 - 15, 2017)
YOKOHAMA Unown (A)Unown (H)Unown (K)Unown (M)Unown (O)Unown (Y)
Pokémon World Championships
(August 18 - 20, 2017)
WORLDS Unown (D)Unown (L)Unown (O)Unown (R)Unown (S)Unown (W)
Pokémon GO Safari Zone in Europe
(September 16 - October 14, 2017)
SAFARI Unown (A)Unown (F)Unown (R)Unown (I)Unown (S)
TwitchCon
(October 20 - 22, 2017)
TWITCH Unown (C)Unown (H)Unown (I)Unown (T)Unown (W)
Pokémon GO Week in Korea
(November 10 - 12, 2017)
SEOUL Unown (S)Unown (L)Unown (O)Unown (S)Unown (U)
Pokémon GO Safari in Tottori
(November 24 - 26, 2017)
SAFARI Unown (A)Unown (F)Unown (R)Unown (I)Unown (S)
RTX Convention, Sydney
(February 3, 2018)
RTX Unown (R)Unown (T)Unown (X)
Pokémon GO Safari in Chiayi
(November 24 - 26, 2017)
CHIAYI Unown (A)Unown (C)Unown (H)Unown (I)Unown (Y)
SXSW, Austin
(November 24 - 26, 2017)
SXSW Unown (S)Unown (W)Unown (X)
Game Developer Conference, San Francisco
(March 21 - April 1, 2018)
GDC Unown (C)Unown (D)Unown (G)
Armageddon Expo, Wellington
(March 30 - April 1, 2018)
ARMAGEDDON Unown (A)Unown (D)Unown (E)Unown (G)
Unown (M)Unown (N)Unown (O)Unown (R)
Comic Con, Utrecht
(March 31 - April 2, 2018)
COMIC CON Unown (C)Unown (I)Unown (M)Unown (N)Unown (O)
PAX East, Boston
(April 6 - 8, 2018)
PAX Unown (A)Unown (P)Unown (X)
Ultra Bonus Week #1
September 2 - 9, 2019
ULTRA Unown (A)Unown (L)Unown (R)Unown (T)Unown (U)

Spinda

Unlike in the core series, each of Spinda's patterns is treated as one of nine alternate forms, each registered separately in the Pokédex. Spinda can only be caught as a reward for completing specific Field Research. Only one pattern is available worldwide at any time, and the pattern rotates periodically. Pattern 9 specifically was made available exclusively for the 2019 Valentine's Day Event. Since July 2019, Spinda has a possibility of being Shiny, with the Shiny forms' spot patterns being slightly different from their normal counterparts'.

Form Availability

Pattern 1
  • October 2018 — Make 2 Nice Curveball Throws

Pattern 2
  • March - April 2019 — Make 5 Great Curveball Throws in a row

Pattern 3
  • September 2018 — Make a Great Curveball Throw

Pattern 4
  • May - June 2019 — Make 5 Great Curveball Throws in a row

Pattern 5
  • January - February 2019 — Make 5 Great Curveball Throws in a row

Pattern 6
  • December 2018 — Make a Great Curveball Throw

Pattern 7
  • November 2018 — Make 3 Nice Curveball Throws

Pattern 8
  • August 2018 — Make 3 Curveball Throws in a row
  • July 2019 — Make 5 Curveball Throws in a row Shiny possible

Pattern 9
  • Valentine's Day: February 13 - 21, 2019 — Make 5 Great Curveball Throws in a row

Castform

Castform's form in the wild depends on the current weather in the game. Unlike in the core series, Castform is locked to one form once caught. Additionally, even a change in weather will not affect already-spawned Castform's form.

Form Fast Attacks Charged Attacks Weather
Castform
Normal

Tackle
Hex

Hurricane
Energy Ball
Weather Ball

Partyly cloudyCloudyWindy
Castform
Sunny Form

Ember
Tackle

Fire Blast
Solar Beam
Weather Ball

SunnyClear
Castform
Rainy Form

Water Gun
Tackle

Hydro Pump
Thunder
Weather Ball

Rainy
Castform
Snowy Form

Powder Snow
Tackle

Blizzard
Ice Beam
Weather Ball

SnowFog

Deoxys

Deoxys was exclusively available in EX Raids from October 2018 to September 2019, with its forms rotating every several months.

Form Stats Moves Availability
HP Atk Def Fast Attacks Charged Attacks

Normal Forme
137 345 115

Zen Headbutt
Charge Beam

Psycho Boost
Zap Cannon
Hyper Beam

  • Oct 1 - Dec 28, 2018

Attack Forme
137 414 46

Zen Headbutt
Charge Beam

Psycho Boost
Zap Cannon
Dark Pulse

  • Dec 28, 2018 - Mar 25, 2019

Defense Forme
137 144 330

Zen Headbutt
Counter

Psycho Boost
Thunderbolt
Rock Slide

  • Mar 25 - Jun 24, 2019

Speed Forme
137 230 218

Zen Headbutt
Charge Beam

Psycho Boost
Thunderbolt
Swift

  • July 1 - Sep 28, 2019

Cherrim

Cherrim's form in the wild depends on the current weather in the game, using the same mechanic that determine's Castform's form. It will appear in its Sunshine Form in sunny/clear weather and Overcast Form otherwise. If evolved from Cherubi, Cherrim's form is determined purely at random, without regard to the current weather.

Form Fast Attacks Charged Attacks Weather
Cherrim
Sunshine Form
Razor Leaf
Bullet Seed
Dazzling Gleam
Hyper Beam
Solar Beam
Weather Ball
SunnyClear
Cherrim
Overcast Form
Razor Leaf
Bullet Seed
Dazzling Gleam
Hyper Beam
Solar Beam
All other weather

Giratina

Giratina was exclusively available in level 5 Raid Battles. Its forms were available at different times.

Form Stats Moves Availability
HP Atk Def Fast Attacks Charged Attacks

Altered Forme
284 187 225

Dragon Breath
Shadow Claw

Dragon Claw
Ancient Power
Shadow Sneak

  • October 23 - November 20, 2018
  • March 28 - April 2, 2019

Origin Forme
284 225 187

Dragon Tail
Shadow Claw

Dragon Pulse
Ominous Wind
Shadow Ball

  • April 2 - April 29, 2019

Event Pokémon

Event Pokémon, also known as Costume Pokémon, are special forms that have appeared during various events for a limited time. These forms feature an otherwise-normal Pokémon with an event-relevant costume. Some Event Pokémon can potentially be Shiny as well or know event-exclusive moves. Some event forms can evolve, and if they do, retain the costume after doing so. Event forms do not appear in the Pokédex of Pokémon GO, but are still treated differently in terms of Pokédex registration. Since event Pokémon are unique to Pokémon GO, they cannot be transferred to Pokémon: Let's Go, Pikachu! and Let's Go, Eevee!.

Bulbasaur family

Form Availability
Bulbasaur
Shedinja costume
  • Halloween 2019: Oct 17 - Nov 1, 2019 Shiny possible
Bulbasaur
Party Hat
Venusaur
Clone

Charmander family

Form Availability
Charmander

Cubone costume

  • Halloween 2019: October 17 - November 1, 2019 Shiny possible
Charmander
Party Hat
Charizard
Clone

Squirtle family

Squirtle wearing sunglasses was made available during the Squirtle Community Day as a reward for completing event-exclusive Field Research tasks.

Form Availability

Squirtle Squad sunglasses
Squirtle
Yamask costume
  • Halloween 2019: October 17 - November 1, 2019 Shiny possible
Squirtle
Party Hat
Blastoise
Clone

Raticate

Form Availability

Party hat

  • Adventure Sync Hatchathon: January 2 - 16, 2020 Shiny possible
  • Minccino Limited Research Day: February 2, 2020 Shiny possible

Pikachu family

For certain global events, Pikachu wearing corresponding costumes became available in the wild at increased spawn rates, and Pichu wearing the same costumes could be hatched from Eggs received during the same period.

Form Availability

Festive hat
  • Holiday: December 12, 2016 - January 3, 2017
  • Holiday: December 21, 2017 - January 4, 2018
  • Holiday: December 18, 2018 - January 2, 2019 Shiny possible
  • Pokémon GO Fest 2019 - Yokohama: August 6, 2019 Shiny possible

Party hat
  • Pokémon Day: February 26 - March 6, 2017
  • Pokémon Day: February 26 - February 28, 2018
  • Pokémon GO Fest 2019 - Yokohama: August 7, 2019 Shiny possible
  • Adventure Sync Hatchathon: January 2 - 16, 2020 Shiny possible

Ash hat
  • 1st Anniversary: July 6 - July 27, 2017
  • April Fool's Day: April 1 - 2, 2019 — 5 per day via GO Snapshot Shiny possible
  • Pokémon GO Fest 2019 - Yokohama: August 8, 2019 Shiny possible

Witch hat
  • Halloween: October 20 - November 2, 2017
  • Halloween: October 23 - November 1, 2018 Shiny possible
  • Pokémon GO Fest 2019 - Yokohama: August 9, 2019 Shiny possible

Summer-style
  • 2nd Anniversary: July 5 - July 31, 2018
  • Pokémon GO Fest 2019 - Yokohama: August 10, 2019 Shiny possible

H.F. Custom Cap
  • October 6 - 7, 2018 Shiny possible

Flower crown
  • Pokémon Day: February 26 - 28, 2019 Shiny possible
  • Pokémon GO Fest 2019 - Yokohama: August 11, 2019 Shiny possible

Detective Pikachu
  • Detective Pikachu: May 7 - 17, 2019 — 1 per day via GO Snapshot
    • Male only; Shiny not possible*
  • Pokémon GO Fest 2019 - Yokohama: August 12, 2019
    • Male only

Straw hat
  • Kumamoto Revival Project: July 22 - July 29, 2019 Shiny possible

Mimikyu costume
  • Halloween 2019: October 17 - November 1, 2019 Shiny possible
    • Male only
File:GO172W.png
Beanie hat
  • Holiday 2019: December 24, 2019 - January 1, 2020 Shiny possible
Pikachu
Party Hat
Pikachu
Clone
Pikachu
Safari hat
Pikachu
Flower hat
Pikachu
Charizard hat
  • Throwback Challenge 2020: Kanto Shiny possible
Pikachu
Umbreon hat
  • Throwback Challenge 2020: Johto Shiny possible
Pikachu
Rayquaza hat
  • Throwback Challenge 2020: Hoenn Shiny possible
Pikachu
Lucario hat
  • Throwback Challenge 2020: Sinnoh Shiny possible

Nidorino

Form Availability
Nidorino
Party hat

Gengar

Form Availability
Gengar
Party hat

Eevee family

Form Availability


Flower crown

Eevee
Party Hat

Mewtwo

Armored Mewtwo was released in celebration of Pokémon: Mewtwo Strikes Back—Evolution. It is currently the only Event Pokémon with base stats and a move pool separate from its base form's.

Form Stats Moves Availability
HP Atk Def Fast Attacks Charged Attacks
Mewtwo 214 300 182

Psycho Cut
Confusion

Psychic
Focus Blast
Flamethrower
Ice Beam
Thunderbolt
Shadow Ball (Legacy)
Hyper Beam (Legacy)
Psystrike (Legacy)

  • Aug 14, 2017 - Sep 20, 2018 (EX Raids)
  • Sep 20 - Oct 23, 2018
Mewtwo
Armored Mewtwo
214 182 278

Confusion
Iron Tail

Rock Slide
Dynamic Punch
Earthquake
Future Sight
Psystrike (Legacy)

  • Jul 10 - Jul 31, 2019
  • Feb 25 - Mar 2, 2020

Togepi

Form Availability
Togepi
Flower crown

Wobbuffet

Form Availability

Party hat

  • Adventure Sync Hatchathon: January 2 - 16, 2020 Shiny possible

Stantler

Form Availability

Bells

  • Holiday 2019: December 24, 2019 - January 1, 2020 Shiny possible

Wurmple

Form Availability

Party hat

  • Adventure Sync Hatchathon: January 2 - 16, 2020 Shiny possible

Buneary

Form Availability

Flower crown

Shadow and Purified Pokémon

Main article: Shadow Pokémon (GO)

Shadow Pokémon are Pokémon that have been artificially altered by Team GO Rocket to be used in battle. Shadow Pokémon have angry, red eyes and a flaming, black aura. Upon being defeated, Team GO Rocket members will abandon one of the Shadow Pokémon used in battle, which the player can then capture. A player can use Candy and Stardust to purify a Shadow Pokémon, returning it to its natural states but with a white aura.

Shadow Pokémon cannot be traded, while Purified Pokémon always count towards a Special Trade, even if the receiving player has already obtained the purified form. These Pokémon also cannot be transferred to Pokémon: Let's Go, Pikachu! and Let's Go, Eevee!.