Gender

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Gender (Japanese: 性別 sex) is a characteristic of Pokémon and humans in the Pokémon world.

In Generation I games, Nidoran♀ and Nidoran♂ were the only Pokémon shown to have a gender. Starting in the Generation II games, most Pokémon have a gender (including Pokémon previously transferred from Generation I games): male (Japanese: オス male) or female (Japanese: メス female); however, some species of Pokémon are gender unknown. The gender mechanic is fundamental to Pokémon breeding.

In the core series games, starting in Pokémon Crystal, the player can choose between a male (Japanese: 男性 male) or female (Japanese: 女性 female) player character. However, human men and women have appeared in all core series Pokémon games. Though only in the English versions of Pokémon GO, Blanche uniquely is the only human character not to have a specified gender.

Pokémon

In the core series

Determining gender

One factor that determines gender is each Pokémon species's gender ratio, which is approximately how likely a Pokémon is a specific gender instead of the other.

Generation II

In Generation II, a Pokémon's gender is determined based solely on its physical Attack IV when compared to its gender ratio. A Pokémon is female if its physical Attack IV is less than or equal to its species' gender ratio, otherwise it is male. For species that are exclusively one gender or gender unknown, the calculation based on the physical Attack IV is ignored.

Due to this calculation, it is impossible to obtain a female Pokémon with high physical Attack, unless the Pokémon is a member of an all-female species like Jynx or Chansey. Starter Pokémon and others with a gender ratio of seven males to one female suffer the most, with the maximum physical Attack IV for a female Pokémon of those species being 1.

Pokémon from the Generation I games are assigned a gender using the same process when transferred to the Generation II games, used in Pokémon Stadium 2, or transferred from the Virtual Console games to Pokémon Bank. As a result, a Pokémon maintains its gender when transferred between the Generation I and II games (even though the gender is not shown in the Generation I games, aside from Nidoran♀ and Nidoran♂).

Attack IV Nominal ratio
(♂:♀)
Frequency
Male Female Male Female
N/A N/A Gender unknown
0-15 N/A Male 100.0% 0.0%
2-15 0-1 7:1 87.5% 12.5%
4-15 0-3 3:1 75.0% 25.0%
8-15 0-7 1:1 50.0% 50.0%
12-15 0-11 1:3 25.0% 75.0%
N/A 0-15 Female 0.0% 100.0%

Example
For two Cyndaquil obtained from Professor Elm:

Pokémon Gender HP Attack Defense Speed Sp. Atk Sp. Def
Cyndaquil A 20 10 9 12 11 10
13
(1101)
1
(0001)
3
(0011)
10
(1010)
9
(1001)
Cyndaquil B 19 11 10 12 11 10
6
(0110)
14
(1110)
7
(0111)
11
(1011)
2
(0010)


Generations III to V

00000000 00000000 00000000 00000000

From Generation III to Generation V, a Pokémon's gender is determined by the personality value's lowest eight digits (the lowest byte, highlighted in red above) of p in binary form. Mathematically, this can be derived by calculating p % 256. Below, this value will be referred to as pgender.

In a Pokémon species' data structure, there is a value called the gender threshold, a byte with a value ranging from 0 to 255. With the exception of a few special cases, pgender is compared to the gender threshold to determine if the Pokémon is male or female.

If the gender threshold is not a special value (0, 254, or 255), pgender is compared to the gender threshold. If pgender is greater than or equal to the gender threshold, the Pokémon is male, otherwise it is female. Because the comparison to determine gender is greater than or equal, Pokémon are slightly more likely to be male than they would be according to the ideal ratios.

If a species has a gender threshold of 255, all Pokémon of that species are gender unknown (such as Magnemite). If a species has a gender threshold of 254, it is a female-only species (such as Nidoran♀). If a species has a gender threshold of 0, it is a male-only species (such as Nidoran♂).

Gender threshold Nominal ratio
(♂:♀)
Frequency
Binary Decimal Male Female
11111111 255 Gender unknown
11111110 254 Female 0.00% 100.00%
‭‭11100001‬ 225 1:7 (No species)
10111111 191 1:3 25.39% 74.61%
01111111 127 1:1 50.39% 49.61%
00111111 63 3:1 75.39% 24.61%
00011111 31 7:1 87.89% 12.11%
00000000 0 Male 100.00% 0.00%

From Pokémon Emerald onwards, if a Pokémon with Cute Charm is in the first place in the party (even if fainted), there is a 66.7% chance that the game will force an encountered Pokémon to be the opposite gender to the Pokémon with Cute Charm if it can be that gender. This does not affect a swarming Pokémon species or Pokémon found in Hidden Grottos.

Generation VI onward

From Generation VI onward, the gender threshold is compared to a random number between 1 and 252 (inclusive) instead of pgender (which is between 0 and 255); this causes Pokémon with a "1:1" gender ratio to actually be distributed according to the ideal ratio. All other Pokémon are more likely to be the more common gender than they would be according to their nominal ratio.

Gender threshold Nominal ratio
(♂:♀)
Frequency
Binary Decimal Male Female
11111111 255 Gender unknown
11111110 254 Female 0.0% 100.00%
‭‭11100001‬ 225 1:7 11.11% 88.89%
10111111 191 1:3 24.60% 75.40%
01111111 127 1:1 50.00% 50.00%
00111111 63 3:1 75.40% 24.60%
00011111 31 7:1 88.10% 11.90%
00000000 0 Male 100.00% 0.00%

Gender differences

Main article: List of Pokémon with gender differences

Generation IV premiered minimal differences in sprite between two Pokémon of the same species. For example, a male Raichu will have the full tail seen in previous games, while the female is missing the very tip of it. Generations V and VI would introduce Pokémon with more drastic differences in appearance.

The only two Pokémon with gender differences that are not just aesthetic are Meowstic and Indeedee, who have different learnsets and sets of Abilities depending on its gender.

Meowstic

The male Meowstic has Prankster and the female Meowstic has Competitive as its Hidden Ability. At certain levels, they learn different moves from one another: the male Meowstic learns status moves, while the female Meowstic learns special moves. In Generations VI and VII, female Meowstic learned one gender-exclusive status move, Me First.

96px
Meowstic
Male
 Psychic 
Keen Eye or
Infiltrator
Hidden: Prankster
HP Atk Def SpA SpD Spd
74 48 76 83 81 104
96px
Meowstic
Female
 Psychic 
Keen Eye or
Infiltrator
Hidden: Competitive
HP Atk Def SpA SpD Spd
74 48 76 83 81 104
Lv. 96px
Meowstic
 Psychic 
96px
Meowstic
 Psychic 
1 Mean Look Magical Leaf
Scratch
Leer
Fake Out
Disarming Voice
9 Confusion
12 Helping Hand Stored Power
15 Charm Charge Beam
18 Covet
21 Psybeam
24 Sucker Punch
29 Role Play
34 Light Screen
Reflect
39 Psyshock
44 Imprison Extrasensory
49 Quick Guard Shadow Ball
54 Psychic
59 Misty Terrain Future Sight
Moves in bold are STAB. Moves in italics do no damage.
Indeedee

Indeedee differs more drastically by gender than Meowstic, with male and female Indeedee having slightly different base stats as well as learnsets. Male Indeedee have higher Attack, Special Attack, and Speed, while female Indeedee have higher Defense, Special Defense, and HP. While male Indeedee can learn the TM and TR moves Power Swap, Trick Room, Magic Room, Wonder Room, Tri Attack, and Encore, female Indeedee can learn Light Screen, Reflect, Safeguard, Guard Swap, and Baton Pass. The Egg Move Extrasensory is exclusive to male Indeedee while the Egg Moves Psycho Shift and Heal Pulse are exclusive to female Indeedee.

96px
Indeedee
Male
 Psychic  Normal 
Inner Focus or
Synchronize
Hidden: Psychic Surge
HP Atk Def SpA SpD Spd
60 65 55 105 95 95
96px
Indeedee
Female
 Psychic  Normal 
Own Tempo or
Synchronize
Hidden: Psychic Surge
HP Atk Def SpA SpD Spd
70 55 65 95 105 85
Lv. 96px
Indeedee
 Psychic  Normal 
96px
Indeedee
 Psychic  Normal 
1 Stored Power
Play Nice
5 Encore Baton Pass
10 Disarming Voice
15 Psybeam
20 Helping Hand
25 After You Follow Me
30 Aromatherapy
35 Psychic
40 Calm Mind
45 Power Split Guard Split
50 Psychic Terrain
55 Last Resort Healing Wish
Moves in bold are STAB. Moves in italics do no damage.

Single-gender Pokémon

Related species

The Nidoran family is a special case in terms of gender. Introduced in Generation I, before gender was known for all Pokémon, Nidoran♀ and Nidoran♂ are considered separate species of Pokémon and indeed have many differences, from appearance to moveset. However, Nidoran Eggs have a 50/50 chance of hatching into either Nidoran♀ or Nidoran♂.

Female
96px
Nidoran♀
 Poison 
Poison Point or
Rivalry
Hidden: Hustle
HP Atk Def SpA SpD Spd
55 47 52 40 40 41
96px
Nidorina
 Poison 
Poison Point or
Rivalry
Hidden: Hustle
HP Atk Def SpA SpD Spd
70 62 67 55 55 56
96px
Nidoqueen
 Poison  Ground 
Poison Point or
Rivalry
Hidden: Sheer Force
HP Atk Def SpA SpD Spd
90 92 87 75 85 76


Male
96px
Nidoran♂
 Poison 
Poison Point or
Rivalry
Hidden: Hustle
HP Atk Def SpA SpD Spd
46 57 40 40 40 50
96px
Nidorino
 Poison 
Poison Point or
Rivalry
Hidden: Hustle
HP Atk Def SpA SpD Spd
61 72 57 55 55 65
96px
Nidoking
 Poison  Ground 
Poison Point or
Rivalry
Hidden: Sheer Force
HP Atk Def SpA SpD Spd
81 102 77 85 75 85

In a manner similar to Nidoran, Eggs produced by Illumise may hatch into Volbeat. While Latias and Latios are in the Undiscovered Group in the games, likely due to being Legendary Pokémon, Latias have produced Eggs containing Latios in the anime, confirming that they are similarly related.

Female
96px
Illumise
 Bug 
Illuminate or
Swarm
Hidden: Prankster
HP Atk Def SpA SpD Spd
65 47 75 73 85 85
x118pxpx
Latias
 Dragon  Psychic 
Levitate
HP Atk Def SpA SpD Spd
80 80 90 110 130 110
96px
Latias
Mega Evolution
 Dragon  Psychic 
Levitate
HP Atk Def SpA SpD Spd
80 100 120 140 150 110


Male
96px
Volbeat
 Bug 
Oblivious or
Tinted Lens
Hidden: Prankster
HP Atk Def SpA SpD Spd
65 73 75 47 85 85
x118pxpx
Latios
 Dragon  Psychic 
Levitate
HP Atk Def SpA SpD Spd
80 90 80 130 110 110
96px
Latios
Mega Evolution
 Dragon  Psychic 
Levitate
HP Atk Def SpA SpD Spd
80 130 100 160 120 110
Gender-based evolutions

Some Pokémon may have different ways of evolving depending on their gender. These Pokémon may therefore have one or more evolutions that can only be a single gender.

Pre-evolution Method Evolved
60px
Kirlia
Male only

Dawn Stone
60px60px
Gallade
Either
gender

Level 30+
60px60px
Gardevoir
60px
Snorunt
Female only

Dawn Stone
60px
Froslass
Either
gender

Level 42+
60px60px
Glalie
60px
Burmy
Male only

Level 20+
60px
Mothim
Female only

Level 20+
x60px
Wormadam
60px
Combee
Female only
(Male Combee never evolve)

Level 21+
60px
Vespiquen
60px
Salandit
Female only
(Male Salandit never evolve)

Level 33+
60px
Salazzle

Eviolite will always work on Combee and Salandit, regardless of their gender and whether they are able to evolve.

Other single-gender Pokémon

The following is a list of all Pokémon that are either 100% male or 100% female and have not been mentioned in an above section. In particular, these Pokémon have no explicit relation to a Pokémon of the opposite gender through evolution or breeding, although some of them may have a counterpart such as with Braviary and Mandibuzz.

Male
100px
Tyrogue
100px
Hitmonlee
100px
Hitmonchan
100px
Hitmontop
100px
Tauros
100px
Throh
100px
Sawk
100px
Rufflet
100px
Braviary
100px100px
Tornadus
100px100px
Thundurus
100px100px
Landorus
100px
Impidimp
100px
Morgrem
100px100px
Grimmsnarl
Female
100px
Happiny
100px
Chansey
100px
Blissey
100px100px
Kangaskhan
100px
Smoochum
100px
Jynx
100px
Miltank
100px
Cresselia
100px
Petilil
100px
Lilligant
100px
Vullaby
100px
Mandibuzz
100px
Flabébé
100px
Floette
100px
Florges
100px
Bounsweet
100px
Steenee
100px
Tsareena
100px
Hatenna
100px
Hattrem
100px100px
Hatterene
100px
Milcery
100px100px
Alcremie

Single-gender forms

Certain forms of Pokémon are exclusively one gender. These forms are often based on established Pokémon characters. None of the Pokémon with these forms can breed.

Male
x100px
Pikachu
in a cap
100px100px
Battle Bond/Ash-
Greninja
Female
x100px
Cosplay
Pikachu
x100px
Spiky-eared
Pichu

In battle

The Love Ball is more effective when catching Pokémon that are of the opposite (or same in Generation II, due to a programming error) gender of the player's Pokémon.

The following moves are dependent on gender:

Gen Move Category Contest Power Accuracy PP Target Description
II Attract Status Cute 100% 15 (max 24)
     
     
Any adjacent Pokémon
If it is the opposite gender of the user, the target becomes infatuated and less likely to attack.
IV Captivate Status Cute 100% 20 (max 32)
     
     
All adjacent foes
If any opposing Pokémon is the opposite gender of the user, it is charmed, which harshly lowers its Sp. Atk stat.
VIII G-Max Cuddle Physical Varies % 1 (max 1)
     
     
Any adjacent Pokémon
Deals damage and all opponents of the opposite gender of the user become infatuated.
VIII G-Max Cuddle Special Varies % 1 (max 1)
     
     
Any adjacent Pokémon
Deals damage and all opponents of the opposite gender of the user become infatuated.
All details are accurate to Generation VII games. For details that have changed between generations, please see an individual move's page. Target data assumes user is in the lower left.

The following Abilities are dependent on gender:

Gen Ability Description
III Cute Charm Contact with the Pokémon may cause infatuation.
IV Rivalry Becomes competitive and deals more damage to Pokémon of the same gender, but deals less to Pokémon of the opposite gender.
All details are accurate to Generation VII games. For details that have changed between generations, please see an individual Ability's page.

In side series games

Pokémon Stadium 2

Pokémon Stadium 2 may connect to Generation I or Generation II core series games via the Transfer Pak, and is compatible with Pokémon genders. While Generation I games don't identify Pokémon genders (other than Nidoran♀ and Nidoran♂), the gender displayed in Pokémon Stadium 2 is the same as in the core series Generation II games, which is determined by the Pokémon's physical Attack IV when compared to its gender ratio.

For instance, a Pikachu from Pokémon Red, Blue, or Yellow is shown as either male or female in Pokémon Stadium 2.

In spin-off games

Pokémon Mystery Dungeon series

Red and Blue Rescue Team

In Pokémon Mystery Dungeon: Red Rescue Team and Blue Rescue Team, there is no gender displayed for any Pokémon other than Nidoran♀ and Nidoran♂. There are no gender-based game mechanics in battle, therefore Attract and Cute Charm are able to infatuate any opponent.

Explorers of Time, Darkness, and Sky

In Pokémon Mystery Dungeon: Explorers of Time and Explorers of Darkness and Pokémon Mystery Dungeon: Explorers of Sky, male Pokémon, as well as gender-unknown Pokémon (such as Magnemite), have a 1.5x bonus applied to move's base critical rate before other modifiers are applied, and at the same time all moves that target them have 263/256 (~1.03x) accuracy multiplier if no other accuracy or evasion modifiers are in effect. Barring those that are gender-locked, Pokémon encountered on odd dungeon floors will always be male, and Pokémon encountered on even floors will always be female.

In the anime

Prior to the introduction of the gender mechanic in the games, some Pokémon were already shown to be male or female. For instance, Meowth from the Team Rocket trio is male, while Meowzie is female.

Humans

Main article: :Category:Characters by gender

In the games

Starting in Pokémon Crystal, players were given the option of choosing to play as a boy or girl Trainer at the start of the game. Since then, every game in the main series has included that choice. Starting in Pokémon Ruby, Sapphire, and Emerald, the opposite-gender player character can also be encountered in the game.

Some Trainer classes have male and female variants, such as Swimmers, while others appear to be counterparts, such as Campers and Picnickers. Others, such as Kimono Girls, have no opposite-gender counterpart.

Certain in-game events may differ depending on the player character's gender. For example, in Pokémon Black 2 and White 2, Curtis will be encountered if the player is female, and Yancy if the player is male. In Pokémon X and Y and Generation VII, availability of different clothing is gender-specific. Also, only the female player character has the option of changing their lip color using lipstick stored in a Makeup Bag in Generation VII.

Outside of battle facilities, the gender of a non-playable character often determines the default gender of their Pokémon. If the Pokémon's species has an even 1:1 gender ratio, then its gender will match its Trainer's; if the gender ratio is skewed, then the more common gender of the species will be used. Prior to Generation VII, Trainer classes for Double Battles are treated as male, even if both Trainers are female.

For some Trainers, especially Gym Leaders and the Elite Four since Generation V, the default genders have been overridden to give their teams a more balanced gender distribution. Oddly, the Elite Four in FireRed and LeafGreen and Gym Leaders in Emerald all use male-dominant teams in rematches, even though the female Trainers use all-female teams in their initial battles. In HeartGold and SoulSilver, Bugsy uses all-female teams despite being male.

Game RGBY FRLG GS C HGSS RS E ORAS DP Pt BDSP
Male

120x120px

120x120px

120x120px

120x120px

120x120px

120x120px

120x120px

120x120px

120x120px

120x120px

120x120px

Red Ethan Brendan Lucas
Female N/A

120x120px

N/A

120x120px

120x120px

120x120px

120x120px

120x120px

120x120px

120x120px

120x120px

Leaf Kris Lyra May Dawn
BW B2W2 XY SM USUM PE SwSh LA
Male

120x120px

120x120px

120x120px

120x120px

120x120px

120x120px

120x120px

120x120px

Hilbert Nate Calem Elio Chase Victor Rei
Female

120x120px

120x120px

120x120px

120x120px

120x120px

120x120px

120x120px

120x120px

Hilda Rosa Serena Selene Elaine Gloria Akari


In the side games

Pokémon Stadium series

In Pokémon Stadium 2, the player character is usually represented by a nameless, faceless boy, who previously appeared in the original English release. If the player is using a Pokémon Crystal Game Pak, however, the boy's portrait is exchanged for a girl's.

Game Stadium 2
Male File:S2 Hero.png
Female File:S2 Heroine.png
Pokémon HOME
50px This article is incomplete.
Please feel free to edit this article to add missing information and complete it.
Reason: Needs the Crystal, FRLG, Emerald, Platinum, HGSS, and B2W2 sprites that were added in an update

The player can select an avatar from the overworld sprites of eight of the core series protagonists. The gender of the avatar is stored with the Original Trainer with any gifts received.

Game HOME
Male

File:RedRGBwalkdown.png
File:EthanGSCwalkdown.png
File:Brendan RS OD.png
File:Lucaswalkdown.png
File:BW HilbertOD Stand.png

Female

File:May RS OD.png
File:Dawnwalkdown.png
File:Hildawalkdown.png

In spin-off games

Many side games in the Pokémon franchise allow the player to choose between a male or female player character as well.

Game Card GB2 Ranger Ranger SoA Ranger GS Battle Revolution Conquest GO Masters EX
Male 120x120px 120x120px 120x120px 120x120px 60px 120x120px 120x120px 120x120px
Mark Lunick Kellyn Ben Nate Hero N/A Scottie
Female 120x120px 120x120px 120x120px 120x120px 60px 120x120px 120x120px 120x120px
Mint Solana Kate Summer Cyndy Heroine N/A Bettie

In the anime

In Kanto, O-Hina Town hosts a female-exclusive tournament during the annual Princess Festival. Porta Vista also hosts a beauty pageant for women only, known as the Beach Beauty and Pokémon Costume Contest. In Kalos, Pokémon Performers are exclusively female, as only girls may participate in Pokémon Showcases.

Trivia

File:Nidogender.png
Nidoran♀ and Nidoran♂ show genders twice in Generation II, but only once in Generation III onward
  • Several Pokémon beside Nidoran were mentioned to have genders in Generation I games, prior to the introduction of the gender mechanic:
  • In Generation II, a Pokémon's gender was determined through its Attack IV. Due to this, a female Pokémon could never have a maximized Attack stat (unless they were a member of an all-female species, such as Smoochum), because female Pokémon were given the lower portion of the IV range. This also prevented female Pokémon of a species with a gender ratio of seven males to one female, such as starter Pokémon or Eevee, from being Shiny, due to that also being based partly on the Attack IV. Because of this, their Hidden Power is always a physical type. From Generation III onward, neither of these traits are determined by IVs, allowing for Pokémon species with two genders to have females with maximized Attack and simultaneously retain their chances of being Shiny.
  • Although its English and French names suggest that it is exclusively male, Mr. Mime may be of either gender; however, its name predates the introduction of gender to the series.
  • Since Azurill has a different gender ratio than Marill and Azumarill, one in three female Azurill used to become male after evolving into Marill, dependent on the personality value of the Azurill in question, though this no longer happens since Generation VI.
  • In the international versions of Generation II, due to how the battlefield display is programmed, Nidoran♂ and Nidoran♀ have their gender icon shown twice, once in their name, and once after the level. This does not occur in the Japanese and Korean games, however, as the gender icon was present after all Pokémon's names due to the shorter character limit there. This was addressed in all later generations, which prevent the gender icon from showing up when an un-nicknamed Nidoran of either gender is on the field.
  • One non-player character, Beauty Nova in Pokémon X and Y, is implied to be transgender. She says that she was reborn as a Beauty after originally being a Black Belt (a male-only Trainer class); in the Japanese versions, she credits this transformation to medical science.[1]
  • Despite being treated as gender-unknown Pokémon, Solgaleo and Lunala are described as being the male and female final forms of Cosmog, respectively.

In other languages

Language Title
Chinese Cantonese 性別 Singbiht
Mandarin 性別 / 性别 Xìngbié
20px Danish Køn
20px Dutch Geslacht
20px Finnish Sukupuoli
20px French Sexe
20px German Geschlecht
20px Greek Φύλο Fýlo
20px Hebrew מין Min
20px Indonesian Jenis Kelamin
20px Italian Sesso
20px Korean 성별 Seongbyeol
20px Malaysian Jantina
20px Norwegian Kjønn
20px Polish Płeć
20px Portuguese Sexo
20px Russian Пол Pol
20px Spanish Sexo
Género
20px Swedish Kön
20px Thai เพศ Phet
20px Turkish Cinsiyet
20px Vietnamese Giới tính


Male

Language Title
Chinese Cantonese 雄性 Hùhngsing
Mandarin 雄性 Xióngxìng
20px Danish Han
20px Finnish Uros
20px French Mâle
20px German Männlich
20px Hebrew זכר Zakhar
20px Indonesian Jantan
20px Italian Maschio
20px Korean 수컷 Sukeot
20px Malaysian Jantan
20px Norwegian Hann*
Mannlig*
20px Polish Samiec
Portuguese 20px Brazil Macho
Gênero Masculino (XY126)
20px Portugal Macho
20px Spanish Macho
20px Swedish Manlig
20px Thai ตัวผู้ Tua phu
20px Turkish Erkek
20px Vietnamese Đực

Female

Language Title
Chinese Cantonese 雌性 Chīsing
Mandarin 雌性 Cīxìng / Cíxìng
20px Danish Hun
20px Finnish Naaras
20px French Femelle
20px German Weiblich
20px Hebrew נקבה Nekeva
20px Indonesian Betina
20px Italian Femmina
20px Korean 암컷 Amkeot
20px Malaysian Betina
20px Norwegian Hunn*
Kvinnelig*
20px Polish Samiczka
20px Portuguese Fêmea
20px Spanish Hembra
20px Swedish Kvinnlig
20px Thai ตัวเมีย Tua mia
20px Turkish Dişi
20px Vietnamese Cái

See also

References

External links



Pokémon individuality
LevelStatsFriendshipGenderAbilityNatureCharacteristic
Effort valuesIndividual valuesAwakening values
ConditionPerformanceAffectionMemory


80px This game mechanic article is part of Project Games, a Bulbapedia project that aims to write comprehensive articles on the Pokémon games.