Generation III
- Region
- Hoenn
- Games
- Ruby, Sapphire, Emerald, FireRed, LeafGreen
- New Pokémon
- #252–#386 (135)
New mechanics
- Abilities and Natures.
- Double Battles and modern EV system.
New Pokémon
#0252Treecko
Grass
#0253Grovyle
Grass
#0254Sceptile
Grass
#0255Torchic
Fire
#0256Combusken
FireFighting
#0257Blaziken
FireFighting
#0258Mudkip
Water
#0259Marshtomp
WaterGround
#0260Swampert
WaterGround
#0261Poochyena
Dark
#0262Mightyena
Dark
#0263Zigzagoon
Normal
#0264Linoone
Normal
#0265Wurmple
Bug
#0266Silcoon
Bug
#0267Beautifly
BugFlying
#0268Cascoon
Bug
#0269Dustox
BugPoison
#0270Lotad
WaterGrass
#0271Lombre
WaterGrass
#0272Ludicolo
WaterGrass
#0273Seedot
Grass
#0274Nuzleaf
GrassDark
#0275Shiftry
GrassDark
#0276Taillow
NormalFlying
#0277Swellow
NormalFlying
#0278Wingull
WaterFlying
#0279Pelipper
WaterFlying
#0280Ralts
PsychicFairy
#0281Kirlia
PsychicFairy
#0282Gardevoir
PsychicFairy
#0283Surskit
BugWater
#0284Masquerain
BugFlying
#0285Shroomish
Grass
#0286Breloom
GrassFighting
#0287Slakoth
Normal
#0288Vigoroth
Normal
#0289Slaking
Normal
#0290Nincada
BugGround
#0291Ninjask
BugFlying
#0292Shedinja
BugGhost
#0293Whismur
Normal
#0294Loudred
Normal
#0295Exploud
Normal
#0296Makuhita
Fighting
#0297Hariyama
Fighting
#0298Azurill
NormalFairy
#0299Nosepass
Rock
#0300Skitty
Normal
#0301Delcatty
Normal
#0302Sableye
DarkGhost
#0303Mawile
SteelFairy
#0304Aron
SteelRock
#0305Lairon
SteelRock
#0306Aggron
SteelRock
#0307Meditite
FightingPsychic
#0308Medicham
FightingPsychic
#0309Electrike
Electric
#0310Manectric
Electric
#0311Plusle
Electric
#0312Minun
Electric
#0313Volbeat
Bug
#0314Illumise
Bug
#0315Roselia
GrassPoison
#0316Gulpin
Poison
#0317Swalot
Poison
#0318Carvanha
WaterDark
#0319Sharpedo
WaterDark
#0320Wailmer
Water
#0321Wailord
Water
#0322Numel
FireGround
#0323Camerupt
FireGround
#0324Torkoal
Fire
#0325Spoink
Psychic
#0326Grumpig
Psychic
#0327Spinda
Normal
#0328Trapinch
Ground
#0329Vibrava
GroundDragon
#0330Flygon
GroundDragon
#0331Cacnea
Grass
#0332Cacturne
GrassDark
#0333Swablu
NormalFlying
#0334Altaria
DragonFlying
#0335Zangoose
Normal
#0336Seviper
Poison
#0337Lunatone
RockPsychic
#0338Solrock
RockPsychic
#0339Barboach
WaterGround
#0340Whiscash
WaterGround
#0341Corphish
Water
#0342Crawdaunt
WaterDark
#0343Baltoy
GroundPsychic
#0344Claydol
GroundPsychic
#0345Lileep
RockGrass
#0346Cradily
RockGrass
#0347Anorith
RockBug
#0348Armaldo
RockBug
#0349Feebas
Water
#0350Milotic
Water
#0351Castform
Normal
#0352Kecleon
Normal
#0353Shuppet
Ghost
#0354Banette
Ghost
#0355Duskull
Ghost
#0356Dusclops
Ghost
#0357Tropius
GrassFlying
#0358Chimecho
Psychic
#0359Absol
Dark
#0360Wynaut
Psychic
#0361Snorunt
Ice
#0362Glalie
Ice
#0363Spheal
IceWater
#0364Sealeo
IceWater
#0365Walrein
IceWater
#0366Clamperl
Water
#0367Huntail
Water
#0368Gorebyss
Water
#0369Relicanth
WaterRock
#0370Luvdisc
Water
#0371Bagon
Dragon
#0372Shelgon
Dragon
#0373Salamence
DragonFlying
#0374Beldum
SteelPsychic
#0375Metang
SteelPsychic
#0376Metagross
SteelPsychic
#0377Regirock
Rock
#0378Regice
Ice
#0379Registeel
Steel
#0380Latias
DragonPsychic
#0381Latios
DragonPsychic
#0382Kyogre
Water
#0383Groudon
Ground
#0384Rayquaza
DragonFlying
#0385Jirachi
SteelPsychic
#0386Deoxys
Psychic