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Red, Green, Blue, and Yellow Pokémon Locations

The following table contains every Pokémon and all of its locations. Use the radio buttons above to switch between the Japanese games (RGBY) and the international games (RBY).

The following locations allow Fishing: Pallet Town, Viridian City, Cerulean City, Vermilion City, Vermilion Harbor, Celadon City, Fuchsia City, Cinnabar Island, Routes 6, 10, 11, 12, 13, 17, 18, 19, 20, 21, 22, 23, 24, and 25, Safari Zone (all areas), Seafoam Islands B3F and B4F, and Cerulean Cave 1F and B1F.
Cerulean Gym also allows fishing. Its encounters are the same as Cerulean City's. In Yellow, only the Old and Good Rods work in the Gym.

Red, Green, Blue, and Yellow Pokémon Locations

Pokémon		Games				Locations	Notes
	Bulbasaur	R	G	B	Y	Gift: Pallet Town	Only one. In Red, Green, and Blue, it is mutually exclusive with Charmander and Squirtle.
		R	G	B	Y	Gift: Cerulean City
	Ivysaur	R	G	B	Y	Evolve Bulbasaur
	Venusaur	R	G	B	Y	Evolve Ivysaur
	Charmander	R	G	B	Y	Gift: Pallet Town	Only one. In Red, Green, and Blue, it is mutually exclusive with Bulbasaur and Squirtle.
		R	G	B	Y	Gift: Route 24
	Charmeleon	R	G	B	Y	Evolve Charmander
	Charizard	R	G	B	Y	Evolve Charmander
	Squirtle	R	G	B	Y	Gift: Pallet Town	Only one. In Red, Green, and Blue, it is mutually exclusive with Bulbasaur and Charmander.
		R	G	B	Y	Gift: Vermilion City
	Wartortle	R	G	B	Y	Evolve Squirtle
	Blastoise	R	G	B	Y	Evolve Wartortle
	Caterpie	R	G	B	Y	Walking: Route 25, Viridian Forest
		R	G	B	Y	Walking: Routes 2, 24, and 25, Viridian Forest
		R	G	B	Y	Walking: Viridian Forest
	Metapod	R	G	B	Y	Evolve Caterpie
		R	G	B	Y	Walking: Route 25, Viridian Forest
		R	G	B	Y	Walking: Routes 24 and 25, Viridian Forest
		R	G	B	Y	Walking: Viridian Forest
	Butterfree	R	G	B	Y	Evolve Metapod
	Weedle	R	G	B	Y	Walking: Routes 2, 24, and 25, Viridian Forest
		R	G	B	Y	Walking: Route 25, Viridian Forest
	Kakuna	R	G	B	Y	Evolve Caterpie
		R	G	B	Y	Walking: Routes 24 and 25, Viridian Forest
		R	G	B	Y	Walking: Route 25, Viridian Forest
	Beedrill	R	G	B	Y	Evolve Kakuna
	Pidgey	R	G	B	Y	Walking: Routes 1, 2, 3, 5, 6, 7, 8, 12, 13, 14, 15, 21, 24, and 25
		R	G	B	Y	Walking: Routes 1, 2, 5, 6, 7, 8, 11, 12, 13, 21, 24, and 25, Viridian Forest
	Pidgeotto	R	G	B	Y	Evolve Pidgey
		R	G	B	Y	Walking: Routes 14, 15, and 21
		R	G	B	Y	Walking: Routes 5, 6, 7, 8, 11, 12, 13, 14, 15, 21, 24, and 25, Viridian Forest
	Pidgeot	R	G	B	Y	Evolve Pidgeotto
	Rattata	R	G	B	Y	Walking: Routes 1, 2, 4, 9, 16, 21, and 22
		R	G	B	Y	Walking: Routes 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 16, 18, 21, and 22, Pokémon Mansion 1F, 2F, and 3F
	Raticate	R	G	B	Y	Evolve Rattata
		R	G	B	Y	Walking: Routes 16, 17, 18, and 21
		R	G	B	Y	Walking: Routes 16, 17, 18, and 21, Cerulean Cave 2F
		R	G	B	Y	Walking: Routes 9, 10, 11, 16, 18, and 21, Pokémon Mansion (all floors)
	Spearow	R	G	B	Y	Walking: Routes 3, 4, 9, 10, 11, 16, 17, 18, 22, and 23
		R	G	B	Y	Walking: Routes 3, 4, 9, 16, 18, and 22
	Fearow	R	G	B	Y	Evolve Spearow
		R	G	B	Y	Walking: Routes 17, 18, and 23
		R	G	B	Y	Walking: Routes 9, 16, 17, 18, and 23
	Ekans	R	G	B	Y	Walking: Routes 4, 8, 9, 10, 11, and 23
	Arbok	R	G	B	Y	Evolve Ekans
		R	G	B	Y	Walking: Route 23, Cerulean Cave 1F and B1F
	Pikachu	R	G	B	Y	Walking: Viridian Forest, Power Plant	In Yellow, the player can only receive one Pikachu, and it cannot evolve without being traded.
		R	G	B	Y	Walking: Viridian Forest, Power Plant Purchase: Celadon Game Corner
		R	G	B	Y	Gift: Pallet Town
	Raichu	R	G	B	Y	Evolve Pikachu
		R	G	B	Y	Walking: Cerulean Cave 1F and B1F
		R	G	B	Y	Walking: Power Plant, Cerulean Cave 1F and B1F
	Sandshrew	R	G	B	Y	Walking: Routes 4, 8, 9, 10, 11, and 23
		R	G	B	Y	Walking: Routes 3 and 4, Mt. Moon 1F
	Sandslash	R	G	B	Y	Evolve Sandshrew
		R	G	B	Y	Walking: Route 23, Cerulean Cave 1F and B1F
		R	G	B	Y	Walking: Cerulean Cave 1F and 2F
	Nidoran♀	R	G	B	Y	Walking: Route 22, Safari Zone East and West
		R	G	B	Y	Walking: Route 22, Safari Zone (all areas)
		R	G	B	Y	Walking: Routes 2, 9, 10, and 22, Safari Zone (all areas)
	Nidorina	R	G	B	Y	Evolve Nidoran♀	The in-game trade in Red and Green is for the player's Nidorino.
		R	G	B	Y	Walking: Safari Zone Center and North In-Game Trade: Route 11 Purchase: Celadon Game Corner
		R	G	B	Y	Walking: Safari Zone (all areas) In-Game Trade: Route 11
		R	G	B	Y	Walking: Safari Zone Center and North
		R	G	B	Y	Walking: Routes 9 and 23, Safari Zone East and North
	Nidoqueen	R	G	B	Y	Evolve Nidorina
	Nidoran♂	R	G	B	Y	Walking: Route 22, Safari Zone (all areas) In-Game Trade: Route 5-6 Underground Path	The in-game trade in Red and Green is for the player's Nidoran♀.
		R	G	B	Y	Walking: Route 22, Safari Zone East and West In-Game Trade: Route 5-6 Underground Path
		R	G	B	Y	Walking: Route 22, Safari Zone (all areas)
		R	G	B	Y	Walking: Routes 2, 9, 10, and 22, Safari Zone (all areas)
	Nidorino	R	G	B	Y	Evolve Nidoran♂
		R	G	B	Y	Walking: Safari Zone (all areas)
		R	G	B	Y	Walking: Safari Zone Center and North Purchase: Celadon Game Corner
		R	G	B	Y	Walking: Routes 9 and 23, Safari Zone Center and West
	Nidoking	R	G	B	Y	Evolve Nidorino
	Clefairy	R	G	B	Y	Walking: Mt. Moon (all floors) Purchase: Celadon Game Corner
		R	G	B	Y	Walking: Mt. Moon (all floors), Cerulean Cave B1F
		R	G	B	Y	Walking: Mt. Moon (all floors)
	Clefable	R	G	B	Y	Evolve Clefairy
		R	G	B	Y	Purchase: Celadon Game Corner
	Vulpix	R	G	B	Y	Walking: Routes 7 and 8, Pokémon Mansion (all floors)
		R	G	B	Y	Purchase: Celadon Game Corner
	Ninetales	R	G	B	Y	Evolve Vulpix
	Jigglypuff	R	G	B	Y	Walking: Route 3
		R	G	B	Y	Walking: Routes 5, 6, 7, and 8
	Wigglytuff	R	G	B	Y	Evolve Jigglypuff
		R	G	B	Y	Walking: Cerulean Cave 2F
		R	G	B	Y	Purchase: Celadon Game Corner
	Zubat	R	G	B	Y	Walking: Mt. Moon (all floors), Rock Tunnel (all floors), Seafoam Islands 1F, Victory Road (all floors)
		R	G	B	Y	Walking: Mt. Moon (all floors), Rock Tunnel (all floors), Seafoam Islands (all floors), Victory Road 1F and 2F
	Golbat	R	G	B	Y	Evolve Zubat
		R	G	B	Y	Walking: Seafoam Islands 1F, B2F, and B4F, Victory Road (all floors), Cerulean Cave 1F
		R	G	B	Y	Walking: Seafoam Islands (all floors), Victory Road 2F and 3F, Cerulean Cave (all floors)
	Oddish	R	G	B	Y	Walking: Routes 5, 6, 7, 12, 13, 14, 15, 24, and 25
		R	G	B	Y	Walking: Routes 12, 13, 14, 15, 24, and 25
	Gloom	R	G	B	Y	Evolve Oddish
		R	G	B	Y	Walking: Routes 12, 13, 14, and 15
		R	G	B	Y	Walking: Routes 12, 13, 14, and 15, Cerulean Cave 1F and 2F
	Vileplume	R	G	B	Y	Evolve Gloom
	Paras	R	G	B	Y	Walking: Mt. Moon (all floors), Safari Zone East and North
		R	G	B	Y	Walking: Mt. Moon B1F and B2F, Safari Zone Center
	Parasect	R	G	B	Y	Evolve Paras	The in-game trade in Yellow is for the player's Tangela.
		R	G	B	Y	Walking: Safari Zone Center and East, Cerulean Cave 1F and B1F
		R	G	B	Y	Walking: Safari Zone Center, Cerulean Cave 1F In-Game Trade: Route 18
	Venonat	R	G	B	Y	Walking: Routes 12, 13, 14, and 15, Safari Zone Center, West
		R	G	B	Y	Walking: Routes 14, 15, 24, and 25
	Venomoth	R	G	B	Y	Evolve Venonat
		R	G	B	Y	Walking: Safari Zone North and West, Victory Road 3F, Cerulean Cave 1F and 2F
		R	G	B	Y	Walking: Routes 14 and 15, Cerulean Cave 1F
	Diglett	R	G	B	Y	Walking: Diglett's Cave
	Dugtrio	R	G	B	Y	Evolve Diglett	The in-game trade in Yellow is for the player's Lickitung.
		R	G	B	Y	Walking: Diglett's Cave
		R	G	B	Y	Walking: Diglett's Cave In-Game Trade: Route 11
	Meowth	R	G	B	Y	Walking: Routes 5, 6, 7, and 8
	Persian	R	G	B	Y	Evolve Meowth
	Psyduck	R	G	B	Y	Walking: Seafoam Islands 1F Fishing (Super Rod): Cerulean City, Routes 24 and 25, Safari Zone (all areas)
		R	G	B	Y	Walking: Seafoam Islands (all floors) Fishing (Super Rod): Cerulean City, Routes 24 and 25, Safari Zone (all areas)
		R	G	B	Y	Fishing (Super Rod): Cerulean City, Routes 24 and 25, Safari Zone (all areas)
		R	G	B	Y	Surfing: Route 6
	Golduck	R	G	B	Y	Evolve Psyduck
		R	G	B	Y	Walking: Seafoam Islands 1F
		R	G	B	Y	Walking: Seafoam Islands B2F and B4F
		R	G	B	Y	Surfing: Route 6
	Mankey	R	G	B	Y	Walking: Routes 5, 6, 7, and 8
		R	G	B	Y	Walking: Routes 3, 4, 22, and 23
	Primeape	R	G	B	Y	Evolve Mankey
		R	G	B	Y	Walking: Route 23
	Growlithe	R	G	B	Y	Walking: Routes 7 and 8, Pokémon Mansion (all floors)
		R	G	B	Y	Walking: Pokémon Mansion 1F
	Arcanine	R	G	B	Y	Evolve Growlithe
	Poliwag	R	G	B	Y	Fishing (Good Rod): Any Fishing location Fishing (Super Rod): Pallet Town, Viridian City, Route 22	The in-game trade in Blue is for the player's Rattata.
		R	G	B	Y	Fishing (Good Rod): Any Fishing location Fishing (Super Rod): Pallet Town, Viridian City, Route 22 In-Game Trade: Route 5-6 Underground Path
		R	G	B	Y	Fishing (Good Rod): Any Fishing location Fishing (Super Rod): Viridian City, Routes 22 and 23
	Poliwhirl	R	G	B	Y	Evolve Poliwag
		R	G	B	Y	Fishing (Super Rod): Celadon City, Route 10
		R	G	B	Y	Fishing (Super Rod): Routes 22 and 23
	Poliwrath	R	G	B	Y	Evolve Poliwhirl
	Abra	R	G	B	Y	Walking: Routes 24 and 25 Purchase: Celadon Game Corner
		R	G	B	Y	Walking: Routes 5, 6, 7, and 8 Purchase: Celadon Game Corner
	Kadabra	R	G	B	Y	Evolve Abra
		R	G	B	Y	Walking: Cerulean Cave 1F and 2F
		R	G	B	Y	Walking: Route 8
	Alakazam	R	G	B	Y	Evolve Kadabra	Kadabra evolves by trading.
	Machop	R	G	B	Y	Walking: Rock Tunnel (all floors), Victory Road (all floors)
		R	G	B	Y	Walking: Route 10, Rock Tunnel (all floors)
	Machoke	R	G	B	Y	Evolve Machop	The in-game trade in Yellow is for the player's Cubone.
		R	G	B	Y	Walking: Victory Road (all floors)
		R	G	B	Y	Walking: Victory Road 2F and 3F In-Game Trade: Route 5-6 Underground Path
	Machamp	R	G	B	Y	Evolve Machoke	Machoke evolves by trading. In Yellow, the Machoke the player receives by in-game trade will evolve into Machamp.
		R	G	B	Y	In-Game Trade: Route 5-6 Underground Path
	Bellsprout	R	G	B	Y	Walking: Routes 5, 6, 7, 12, 13, 14, 15, 24, and 25
		R	G	B	Y	Walking: Routes 12, 13, 14, 15, 24, and 25
	Weepinbell	R	G	B	Y	Evolve Bellsprout
		R	G	B	Y	Walking: Routes 12, 13, 14, and 15
		R	G	B	Y	Walking: Routes 12, 13, 14, and 15, Cerulean Cave 1F and 2F
	Victreebel	R	G	B	Y	Evolve Weepinbell
	Tentacool	R	G	B	Y	Surfing: Routes 19, 20, and 21 Fishing (Super Rod): Pallet Town, Viridian City, Routes 12, 13, 17, and 18
		R	G	B	Y	Surfing: Routes 19, 20, and 21, Seafoam Islands B3F and B4F Fishing (Super Rod): Pallet Town, Vermilion City & Harbor, Cinnabar Island, Routes 11, 13, 17, 18, 19, 20, and 21
	Tentacruel	R	G	B	Y	Evolve Tentacool
		R	G	B	Y	Fishing (Super Rod): Routes 19, 20, and 21
	Geodude	R	G	B	Y	Walking: Mt. Moon (all floors), Rock Tunnel (all floors), Victory Road (all floors)
	Graveler	R	G	B	Y	Evolve Geodude	The in-game trade in Blue is for the player's Kadabra.
		R	G	B	Y	Walking: Victory Road (all floors)
		R	G	B	Y	Walking: Victory Road (all floors) In-Game Trade: Cinnabar Lab
		R	G	B	Y	Walking: Victory Road (all floors), Cerulean Cave (all floors)
	Golem	R	G	B	Y	Evolve Graveler	Graveler evolves by trading. In Blue, the Graveler the player receives by in-game trade will evolve into Golem.
		R	G	B	Y	In-Game Trade: Cinnabar Lab
	Ponyta	R	G	B	Y	Walking: Pokémon Mansion (all floors)
		R	G	B	Y	Walking: Route 17
	Rapidash	R	G	B	Y	Evolve Ponyta
		R	G	B	Y	Walking: Cerulean Cave 1F
	Slowpoke	R	G	B	Y	Walking: Seafoam Islands (all floors) Fishing (Super Rod): Celadon City, Route 10, Safari Zone (all areas)	The in-game trade in Blue is for the player's Seel.
		R	G	B	Y	Walking: Seafoam Islands 1F Fishing (Super Rod): Celadon City, Route 10, Safari Zone (all areas)
		R	G	B	Y	Walking: Seafoam Islands 1F Fishing (Super Rod): Celadon City, Route 10, Safari Zone (all areas) In-Game Trade: Cinnabar Lab
		R	G	B	Y	Walking: Seafoam Islands 1F, B1F, and B2F Fishing (Super Rod): Routes 12 and 13
	Slowbro	R	G	B	Y	Evolve Slowpoke
		R	G	B	Y	Walking: Seafoam Islands B2F and B4F Fishing (Super Rod): Route 23, Cerulean Cave 1F and B1F
		R	G	B	Y	Walking: Seafoam Islands 1F Fishing (Super Rod): Route 23, Cerulean Cave 1F and B1F
		R	G	B	Y	Walking: Seafoam Islands B2F Surfing: Routes 12 and 13
	Magnemite	R	G	B	Y	Walking: Power Plant
		R	G	B	Y	Walking: Route 10, Power Plant
	Magneton	R	G	B	Y	Evolve Magnemite
		R	G	B	Y	Walking: Power Plant, Cerulean Cave 1F
		R	G	B	Y	Walking: Power Plant
	Farfetch'd	R	G	B	Y	In-Game Trade: Vermilion City	In Red, Green, and Blue, the player can only get one. The in-game trade in Red and Green is for the player's Spearow. The in-game trade in Blue is for the player's Pidgey.
		R	G	B	Y	Walking: Routes 12 and 13
	Doduo	R	G	B	Y	Walking: Routes 16, 17, and 18, Safari Zone East and West
		R	G	B	Y	Walking: Routes 16, 17, and 18
	Dodrio	R	G	B	Y	Evolve Doduo
		R	G	B	Y	Walking: Cerulean Cave 1F and 2F
		R	G	B	Y	Walking: Cerulean Cave 2F
		R	G	B	Y	Walking: Route 17
	Seel	R	G	B	Y	Walking: Seafoam Islands (all floors) In-Game Trade: Cinnabar Lab	The in-game trade in Red and Green is for the player's Ponyta.
		R	G	B	Y	Walking: Seafoam Islands (all floors)
		R	G	B	Y	Walking: Seafoam Islands B1F, B2F, B3F, and B4F
	Dewgong	R	G	B	Y	Evolve Seel	The in-game trade in Yellow is for the player's Growlithe.
		R	G	B	Y	Walking: Seafoam Islands B1F and B3F
		R	G	B	Y	Walking: Seafoam Islands B3F and B4F In-Game Trade: Cinnabar Lab
	Grimer	R	G	B	Y	Walking: Pokémon Mansion (all floors)
		R	G	B	Y	Walking: Power Plant, Pokémon Mansion (all floors)
	Muk	R	G	B	Y	Evolve Grimer	The in-game trade in Yellow is for the player's Kangaskhan.
		R	G	B	Y	Walking: Pokémon Mansion (all floors)
		R	G	B	Y	Walking: Power Plant, Pokémon Mansion 2F, 3F, and B1F In-Game Trade: Cinnabar Lab
	Shellder	R	G	B	Y	Walking: Seafoam Islands (all floors) Fishing (Super Rod): Vermilion City & Harbor, Cinnabar Island, Routes 6, 11, 19, 20, and 21, Seafoam Islands B3F and B4F
		R	G	B	Y	Walking: Seafoam Islands B1F and B2F Fishing (Super Rod): Vermilion City & Harbor, Cinnabar Island, Routes 6, 11, 19, 20, and 21, Seafoam Islands B3F and B4F
		R	G	B	Y	Fishing (Super Rod): Vermilion Harbor, Routes 17 and 18
	Cloyster	R	G	B	Y	Evolve Shellder
	Gastly	R	G	B	Y	Walking: Pokémon Tower 3F and above
	Haunter	R	G	B	Y	Evolve Gastly	The in-game trade in Blue is for the player's Machoke.
		R	G	B	Y	Walking: Pokémon Tower 3F and above
		R	G	B	Y	Walking: Pokémon Tower 3F and above In-Game Trade: Cerulean City
	Gengar	R	G	B	Y	Evolve Haunter	Haunter evolves by trading. In Blue, the Haunter the player receives by in-game trade will evolve into Gengar.
		R	G	B	Y	In-Game Trade: Cerulean City
	Onix	R	G	B	Y	Walking: Rock Tunnel (all floors), Victory Road (all floors)
		R	G	B	Y	Walking: Rock Tunnel B1F, Victory Road (all floors)
	Drowzee	R	G	B	Y	Walking: Route 11
	Hypno	R	G	B	Y	Evolve Drowzee
		R	G	B	Y	Walking: Cerulean Cave 1F
	Krabby	R	G	B	Y	Fishing (Super Rod): Cerulean City, Vermilion City & Harbor, Fuchsia City, Routes 6, 11, 12, 13, 17, 18, 24, and 25, Safari Zone (all areas)	The in-game trade in Blue is for the player's Growlithe.
		R	G	B	Y	Walking: Seafoam Islands (all floors) Fishing (Super Rod): Cerulean City, Vermilion City & Harbor, Fuchsia City, Routes 6, 11, 12, 13, 17, 18, 24, and 25, Safari Zone (all areas)
		R	G	B	Y	Walking: Seafoam Islands (all floors) Fishing (Super Rod): Cerulean City, Vermilion City & Harbor, Fuchsia City, Routes 6, 11, 12, 13, 17, 18, 24, and 25, Safari Zone (all areas) In-Game Trade: Cinnabar Lab
		R	G	B	Y	Walking: Seafoam Islands (all floors) Fishing (Super Rod): Routes 10 and 25, Seafoam Islands B3F and B4F
	Kingler	R	G	B	Y	Evolve Krabby
		R	G	B	Y	Fishing (Super Rod): Route 23, Cerulean Cave 1F and B1F
		R	G	B	Y	Walking: Seafoam Islands B1F and B3F Fishing (Super Rod): Route 23, Cerulean Cave 1F and B1F
		R	G	B	Y	Walking: Seafoam Islands B1F, B2F, B3F, and B4F Fishing (Super Rod): Routes 10 and 25, Seafoam Islands B3F and B4F
	Voltorb	R	G	B	Y	Walking: Route 10, Power Plant Static: Power Plant (Six)
		R	G	B	Y	Walking: Power Plant Static: Power Plant (Six)
	Electrode	R	G	B	Y	Evolve Voltorb	The in-game trade in Red and Green is for the player's Raichu.
		R	G	B	Y	Walking: Cerulean Cave 2F and B1F Static: Power Plant (Two) In-Game Trade: Cinnabar Lab
		R	G	B	Y	Walking: Cerulean Cave 2F and B1F Static: Power Plant (Two)
		R	G	B	Y	Static: Power Plant (Two)
	Exeggcute	R	G	B	Y	Walking: Safari Zone (all areas)
	Exeggutor	R	G	B	Y	Evolve Exeggcute
	Cubone	R	G	B	Y	Walking: Pokémon Tower 3F and above
		R	G	B	Y	Walking: Pokémon Tower 5F and above, Safari Zone East, North, and West
	Marowak	R	G	B	Y	Evolve Cubone
		R	G	B	Y	Walking: Victory Road 1F and 2F, Cerulean Cave 2F and B1F
		R	G	B	Y	Walking: Victory Road 1F and 2F, Cerulean Cave B1F
		R	G	B	Y	Walking: Safari Zone East and West
	Hitmonlee	R	G	B	Y	Gift: Fighting Dojo	Only one. It is mutually exclusive with Hitmonchan.
	Hitmonchan	R	G	B	Y	Gift: Fighting Dojo	Only one. It is mutually exclusive with Hitmonlee.
	Lickitung	R	G	B	Y	In-Game Trade: Route 18	In Red and Green, the player can only get one. The in-game trade in Red and Green is for the player's Slowbro.
		R	G	B	Y	Walking: Safari Zone East and West
		R	G	B	Y	Walking: Cerulean Cave B1F
	Koffing	R	G	B	Y	Walking: Pokémon Mansion (all floors)
		R	G	B	Y	Walking: Pokémon Mansion 1F, 2F, and B1F
	Weezing	R	G	B	Y	Evolve Koffing
		R	G	B	Y	Walking: Pokémon Mansion (all floors)
	Rhyhorn	R	G	B	Y	Walking: Safari Zone Center and North
		R	G	B	Y	Walking: Safari Zone Center and North, Cerulean Cave 2F and B1F
	Rhydon	R	G	B	Y	Evolve Rhyhorn	The in-game trade in Yellow is for the player's Golduck.
		R	G	B	Y	Walking: Cerulean Cave 2F and B1F
		R	G	B	Y	Walking: Cerulean Cave 2F and B1F In-Game Trade: Cinnabar Lab
	Chansey	R	G	B	Y	Walking: Safari Zone Center and North, Cerulean Cave 2F and B1F
		R	G	B	Y	Walking: Safari Zone Center and North, Cerulean Cave 2F
		R	G	B	Y	Walking: Safari Zone Center and East, Cerulean Cave B1F
	Tangela	R	G	B	Y	Walking: Route 21 In-Game Trade: Cinnabar Lab	The in-game trade in Red and Green is for the player's Venonat.
		R	G	B	Y	Walking: Route 21
		R	G	B	Y	Walking: Safari Zone Center and West
	Kangaskhan	R	G	B	Y	Walking: Safari Zone East and West	In Blue, the player can only get one. The in-game trade in Blue is for the player's Rhydon.
		R	G	B	Y	In-Game Trade: Route 11
		R	G	B	Y	Walking: Safari Zone North
	Horsea	R	G	B	Y	Walking: Seafoam Islands (all floors) Fishing (Super Rod): Cinnabar Island, Routes 19, 20, and 21, Seafoam Islands B3F and B4F
		R	G	B	Y	Fishing (Super Rod): Cinnabar Island, Routes 19, 20, and 21, Seafoam Islands B3F and B4F
		R	G	B	Y	Walking: Seafoam Islands (all floors) Purchase: Celadon Game Corner Fishing (Super Rod): Cinnabar Island, Routes 19, 20, and 21, Seafoam Islands B3F and B4F
		R	G	B	Y	Fishing (Super Rod): Vermilion City, Routes 10, 11, 12, and 13
	Seadra	R	G	B	Y	Evolve Horsea
		R	G	B	Y	Walking: Seafoam Islands B1F and B3F Fishing (Super Rod): Route 23, Cerulean Cave 1F and B1F
		R	G	B	Y	Fishing (Super Rod): Route 23, Cerulean Cave 1F and B1F
		R	G	B	Y	Fishing (Super Rod): Routes 12 and 13
	Goldeen	R	G	B	Y	Fishing (Good Rod): Any Fishing location Fishing (Super Rod): Cerulean City, Fuchsia City, Cinnabar Island, Routes 12, 13, 17, 18, 19, 20, 21, 22, 24, and 25, Seafoam Islands B3F and B4F
		R	G	B	Y	Fishing (Good Rod): Any Fishing location Fishing (Super Rod): Cerulean City, Celadon City, Routes 6 and 24, Cerulean Cave 1F and B1F
	Seaking	R	G	B	Y	Evolve Goldeen
		R	G	B	Y	Fishing (Super Rod): Fuchsia City, Route 23, Cerulean Cave 1F and B1F
		R	G	B	Y	Fishing (Super Rod): Cerulean City, Route 24, Cerulean Cave 1F and B1F
	Staryu	R	G	B	Y	Walking: Seafoam Islands B1F and B2F Fishing (Super Rod): Cinnabar Island, Routes 19, 20, and 21, Seafoam Islands B3F and B4F
		R	G	B	Y	Walking: Seafoam Islands (all floors) Fishing (Super Rod): Cinnabar Island, Routes 19, 20, and 21, Seafoam Islands B3F and B4F
		R	G	B	Y	Surfing: Seafoam Islands B3F and B4F Fishing (Super Rod): Pallet Town, Vermilion Harbor, Cinnabar Island, Routes 19, 20, and 21, Seafoam Islands B3F and B4F
	Starmie	R	G	B	Y	Evolve Staryu
	Mr. Mime	R	G	B	Y	In-Game Trade: Route 2	Only one. The in-game trade in Red and Green is for the player's Abra. The in-game trade in Blue is for the player's Jigglypuff. The in-game trade in Yellow is for the player's Clefairy.
	Scyther	R	G	B	Y	Walking: Safari Zone Center and East Purchase: Celadon Game Corner
		R	G	B	Y	Walking: Safari Zone Center and East
		R	G	B	Y	Walking: Safari Zone East and North Purchase: Celadon Game Corner
	Jynx	R	G	B	Y	In-Game Trade: Cerulean City	In Red and Green, the player can only get one. The in-game trade in Red and Green is for the player's Poliwhirl.
		R	G	B	Y	Walking: Seafoam Islands B2F and B4F
	Electabuzz	R	G	B	Y	Walking: Power Plant
	Magmar	R	G	B	Y	Walking: Pokémon Mansion 3F and B1F
	Pinsir	R	G	B	Y	Walking: Safari Zone Center and East Purchase: Celadon Game Corner
		R	G	B	Y	Walking: Safari Zone North and West
		R	G	B	Y	Walking: Safari Zone North and West Purchase: Celadon Game Corner
	Tauros	R	G	B	Y	Walking: Safari Zone North and West	In Blue, the player can only get one. The in-game trade in Blue is for the player's Persian.
		R	G	B	Y	In-Game Trade: Route 18
		R	G	B	Y	Walking: Safari Zone East and West
	Magikarp	R	G	B	Y	Fishing (Old Rod): Any Fishing location Fishing (Super Rod): Fuchsia City, Routes 12, 13, 17, and 18 Purchase: Route 4
		R	G	B	Y	Fishing (Old Rod): Any Fishing location Fishing (Super Rod): Fuchsia City, Safari Zone (all areas) Purchase: Route 4
	Gyarados	R	G	B	Y	Evolve Magikarp
		R	G	B	Y	Fishing (Super Rod): Fuchsia City
	Lapras	R	G	B	Y	Gift: Silph Co.	Only one.
	Ditto	R	G	B	Y	Walking: Routes 13, 14, 15, and 23, Cerulean Cave (all floors)
		R	G	B	Y	Walking: Routes 13, 14, 15, and 23, Rock Tunnel (all floors), Cerulean Cave (all floors)
		R	G	B	Y	Walking: Pokémon Mansion B1F, Cerulean Cave (all floors)
	Eevee	R	G	B	Y	Gift: Celadon City	Only one. Without trading, the player can only get one of its evolutions.
	Vaporeon	R	G	B	Y	Evolve Eevee
	Jolteon	R	G	B	Y	Evolve Eevee
	Flareon	R	G	B	Y	Evolve Eevee
	Porygon	R	G	B	Y	Purchase: Celadon Game Corner
	Omanyte	R	G	B	Y	Gift: Cinnabar Lab (Revive from Helix Fossil)	Only one. It is mutually exclusive with Kabuto.
	Omastar	R	G	B	Y	Evolve Omanyte
	Kabuto	R	G	B	Y	Gift: Cinnabar Lab (Revive from Dome Fossil)	Only one. It is mutually exclusive with Omanyte.
	Kabutops	R	G	B	Y	Evolve Kabuto
	Aerodactyl	R	G	B	Y	Gift: Cinnabar Lab (Revive from Old Amber)	Only one.
	Snorlax	R	G	B	Y	Static: Routes 12 and 16	Only two. If they are defeated or run from, they will not return.
	Articuno	R	G	B	Y	Static: Seafoam Islands B4F	Only one. If it is defeated or run from, it will not return.
	Zapdos	R	G	B	Y	Static: Power Plant	Only one. If it is defeated or run from, it will not return.
	Moltres	R	G	B	Y	Static: Victory Road 2F	Only one. If it is defeated or run from, it will not return.
	Dratini	R	G	B	Y	Fishing (Super Rod): Safari Zone (all areas) Purchase: Celadon Game Corner
		R	G	B	Y	Fishing (Super Rod): Safari Zone (all areas)
	Dragonair	R	G	B	Y	Evolve Dratini
		R	G	B	Y	Purchase: Celadon Game Corner
		R	G	B	Y	Fishing (Super Rod): Safari Zone Center
	Dragonite	R	G	B	Y	Evolve Dragonair
	Mewtwo	R	G	B	Y	Static: Cerulean Cave B1F	Only one. If it is defeated or run from, it will not return.
	Mew	R	G	B	Y	The only way to obtain Mew without glitches or hacking was to receive it in an event for a physical copy of Red, Green, Blue, Yellow, Gold, Silver, or Crystal between 1996 and 2002, or for the Virtual Console rerelease of Red, Green, Blue, and Yellow in 2016.

Red, Blue, and Yellow Pokémon Locations

Pokémon		Games			Locations	Notes
	Bulbasaur	R	B	Y	Gift: Pallet Town	Only one. In Red and Blue, it is mutually exclusive with Charmander and Squirtle.
		R	B	Y	Gift: Cerulean City
	Ivysaur	R	B	Y	Evolve Bulbasaur
	Venusaur	R	B	Y	Evolve Ivysaur
	Charmander	R	B	Y	Gift: Pallet Town	Only one. In Red and Blue, it is mutually exclusive with Bulbasaur and Squirtle.
		R	B	Y	Gift: Route 24
	Charmeleon	R	B	Y	Evolve Charmander
	Charizard	R	B	Y	Evolve Charmander
	Squirtle	R	B	Y	Gift: Pallet Town	Only one. In Red and Blue, it is mutually exclusive with Bulbasaur and Charmander.
		R	B	Y	Gift: Vermilion City
	Wartortle	R	B	Y	Evolve Squirtle
	Blastoise	R	B	Y	Evolve Wartortle
	Caterpie	R	B	Y	Walking: Route 25, Viridian Forest
		R	B	Y	Walking: Routes 2, 24, and 25, Viridian Forest
		R	B	Y	Walking: Viridian Forest
	Metapod	R	B	Y	Evolve Caterpie
		R	B	Y	Walking: Route 25, Viridian Forest
		R	B	Y	Walking: Routes 24 and 25, Viridian Forest
		R	B	Y	Walking: Viridian Forest
	Butterfree	R	B	Y	Evolve Metapod
	Weedle	R	B	Y	Walking: Routes 2, 24, and 25, Viridian Forest
		R	B	Y	Walking: Route 25, Viridian Forest
	Kakuna	R	B	Y	Evolve Caterpie
		R	B	Y	Walking: Routes 24 and 25, Viridian Forest
		R	B	Y	Walking: Route 25, Viridian Forest
	Beedrill	R	B	Y	Evolve Kakuna
	Pidgey	R	B	Y	Walking: Routes 1, 2, 3, 5, 6, 7, 8, 12, 13, 14, 15, 21, 24, and 25
		R	B	Y	Walking: Routes 1, 2, 5, 6, 7, 8, 11, 12, 13, 21, 24, and 25, Viridian Forest
	Pidgeotto	R	B	Y	Evolve Pidgey
		R	B	Y	Walking: Routes 14, 15, and 21
		R	B	Y	Walking: Routes 5, 6, 7, 8, 11, 12, 13, 14, 15, 21, 24, and 25, Viridian Forest
	Pidgeot	R	B	Y	Evolve Pidgeotto
	Rattata	R	B	Y	Walking: Routes 1, 2, 4, 9, 16, 21, and 22
		R	B	Y	Walking: Routes 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 16, 18, 21, and 22, Pokémon Mansion 1F, 2F, and 3F
	Raticate	R	B	Y	Evolve Rattata
		R	B	Y	Walking: Routes 16, 17, 18, and 21
		R	B	Y	Walking: Routes 9, 10, 11, 16, 18, and 21, Pokémon Mansion (all floors)
	Spearow	R	B	Y	Walking: Routes 3, 4, 9, 10, 11, 16, 17, 18, 22, and 23
		R	B	Y	Walking: Routes 3, 4, 9, 16, 18, and 22
	Fearow	R	B	Y	Evolve Spearow
		R	B	Y	Walking: Routes 17, 18, and 23
		R	B	Y	Walking: Routes 9, 16, 17, 18, and 23
	Ekans	R	B	Y	Walking: Routes 4, 8, 9, 10, 11, and 23
	Arbok	R	B	Y	Evolve Ekans
		R	B	Y	Walking: Route 23, Cerulean Cave 1F and B1F
	Pikachu	R	B	Y	Walking: Viridian Forest, Power Plant	In Yellow, the player can only receive one Pikachu, and it cannot evolve without being traded.
		R	B	Y	Gift: Pallet Town
	Raichu	R	B	Y	Evolve Pikachu
		R	B	Y	Walking: Cerulean Cave 1F and B1F
		R	B	Y	Walking: Power Plant, Cerulean Cave 1F and B1F
	Sandshrew	R	B	Y	Walking: Routes 4, 8, 9, 10, 11, and 23
		R	B	Y	Walking: Routes 3 and 4, Mt. Moon 1F
	Sandslash	R	B	Y	Evolve Sandshrew
		R	B	Y	Walking: Route 23, Cerulean Cave 1F and B1F
		R	B	Y	Walking: Cerulean Cave 1F and 2F
	Nidoran♀	R	B	Y	Walking: Route 22, Safari Zone East and West In-Game Trade: Route 5-6 Underground Path	The in-game trade in Red and Blue is for the player's Nidoran♂.
		R	B	Y	Walking: Route 22, Safari Zone (all areas) In-Game Trade: Route 5-6 Underground Path
		R	B	Y	Walking: Routes 2, 9, 10, and 22, Safari Zone (all areas)
	Nidorina	R	B	Y	Evolve Nidoran♀	The in-game trade in Red and Blue is for the player's Nidorino.
		R	B	Y	Walking: Safari Zone Center and North In-Game Trade: Route 11 Purchase: Celadon Game Corner
		R	B	Y	Walking: Safari Zone (all areas) In-Game Trade: Route 11
		R	B	Y	Walking: Routes 9 and 23, Safari Zone East and North
	Nidoqueen	R	B	Y	Evolve Nidorina
	Nidoran♂	R	B	Y	Walking: Route 22, Safari Zone (all areas)
		R	B	Y	Walking: Route 22, Safari Zone East and West
		R	B	Y	Walking: Routes 2, 9, 10, and 22, Safari Zone (all areas)
	Nidorino	R	B	Y	Evolve Nidoran♂
		R	B	Y	Walking: Safari Zone (all areas)
		R	B	Y	Walking: Safari Zone Center and North Purchase: Celadon Game Corner
		R	B	Y	Walking: Routes 9 and 23, Safari Zone Center and West
	Nidoking	R	B	Y	Evolve Nidorino
	Clefairy	R	B	Y	Walking: Mt. Moon (all floors) Purchase: Celadon Game Corner
		R	B	Y	Walking: Mt. Moon (all floors)
	Clefable	R	B	Y	Evolve Clefairy
	Vulpix	R	B	Y	Walking: Routes 7 and 8, Pokémon Mansion (all floors)
		R	B	Y	Purchase: Celadon Game Corner
	Ninetales	R	B	Y	Evolve Vulpix
	Jigglypuff	R	B	Y	Walking: Route 3
		R	B	Y	Walking: Routes 5, 6, 7, and 8
	Wigglytuff	R	B	Y	Evolve Jigglypuff
		R	B	Y	Walking: Cerulean Cave 2F
		R	B	Y	Purchase: Celadon Game Corner
	Zubat	R	B	Y	Walking: Mt. Moon (all floors), Rock Tunnel (all floors), Seafoam Islands 1F, Victory Road (all floors)
		R	B	Y	Walking: Mt. Moon (all floors), Rock Tunnel (all floors), Seafoam Islands (all floors), Victory Road 1F and 2F
	Golbat	R	B	Y	Evolve Zubat
		R	B	Y	Walking: Seafoam Islands 1F, B2F, and B4F, Victory Road (all floors), Cerulean Cave 1F
		R	B	Y	Walking: Seafoam Islands (all floors), Victory Road 2F and 3F, Cerulean Cave (all floors)
	Oddish	R	B	Y	Walking: Routes 5, 6, 7, 12, 13, 14, 15, 24, and 25
		R	B	Y	Walking: Routes 12, 13, 14, 15, 24, and 25
	Gloom	R	B	Y	Evolve Oddish
		R	B	Y	Walking: Routes 12, 13, 14, and 15
		R	B	Y	Walking: Routes 12, 13, 14, and 15, Cerulean Cave 1F, 2F
	Vileplume	R	B	Y	Evolve Gloom
	Paras	R	B	Y	Walking: Mt. Moon (all floors), Safari Zone East and North
		R	B	Y	Walking: Mt. Moon B1F, B2F, Safari Zone Center
	Parasect	R	B	Y	Evolve Paras	The in-game trade in Yellow is for the player's Tangela.
		R	B	Y	Walking: Safari Zone Center and East, Cerulean Cave 1F and B1F
		R	B	Y	Walking: Safari Zone Center, Cerulean Cave 1F In-Game Trade: Route 18
	Venonat	R	B	Y	Walking: Routes 12, 13, 14, and 15, Safari Zone Center, West
		R	B	Y	Walking: Routes 14, 15, 24, and 25
	Venomoth	R	B	Y	Evolve Venonat
		R	B	Y	Walking: Safari Zone North and West, Victory Road 3F, Cerulean Cave 1F and 2F
		R	B	Y	Walking: Routes 14 and 15, Cerulean Cave 1F
	Diglett	R	B	Y	Walking: Diglett's Cave
	Dugtrio	R	B	Y	Evolve Diglett	The in-game trade in Yellow is for the player's Lickitung.
		R	B	Y	Walking: Diglett's Cave
		R	B	Y	Walking: Diglett's Cave In-Game Trade: Route 11
	Meowth	R	B	Y	Walking: Routes 5, 6, 7, and 8
	Persian	R	B	Y	Evolve Meowth
	Psyduck	R	B	Y	Walking: Seafoam Islands 1F Fishing (Super Rod): Cerulean City, Routes 24 and 25, Safari Zone (all areas)
		R	B	Y	Walking: Seafoam Islands (all floors) Fishing (Super Rod): Cerulean City, Routes 24 and 25, Safari Zone (all areas)
		R	B	Y	Surfing: Route 6
	Golduck	R	B	Y	Evolve Psyduck
		R	B	Y	Walking: Seafoam Islands 1F
		R	B	Y	Walking: Seafoam Islands B2F and B4F
		R	B	Y	Surfing: Route 6
	Mankey	R	B	Y	Walking: Routes 5, 6, 7, and 8
		R	B	Y	Walking: Routes 3, 4, 22, and 23
	Primeape	R	B	Y	Evolve Mankey
		R	B	Y	Walking: Route 23
	Growlithe	R	B	Y	Walking: Routes 7 and 8, Pokémon Mansion (all floors)
		R	B	Y	Walking: Pokémon Mansion 1F
	Arcanine	R	B	Y	Evolve Growlithe
	Poliwag	R	B	Y	Fishing (Good Rod): Any Fishing location Fishing (Super Rod): Pallet Town, Viridian City, Route 22
		R	B	Y	Fishing (Good Rod): Any Fishing location Fishing (Super Rod): Viridian City, Routes 22 and 23
	Poliwhirl	R	B	Y	Evolve Poliwag
		R	B	Y	Fishing (Super Rod): Celadon City, Route 10
		R	B	Y	Fishing (Super Rod): Routes 22 and 23
	Poliwrath	R	B	Y	Evolve Poliwhirl
	Abra	R	B	Y	Walking: Routes 24 and 25 Purchase: Celadon Game Corner
		R	B	Y	Walking: Routes 5, 6, 7, and 8 Purchase: Celadon Game Corner
	Kadabra	R	B	Y	Evolve Abra
		R	B	Y	Walking: Cerulean Cave 1F and 2F
		R	B	Y	Walking: Route 8
	Alakazam	R	B	Y	Evolve Kadabra	Kadabra evolves by trading.
	Machop	R	B	Y	Walking: Rock Tunnel (all floors), Victory Road (all floors)
		R	B	Y	Walking: Route 10, Rock Tunnel (all floors)
	Machoke	R	B	Y	Evolve Machop	The in-game trade in Yellow is for the player's Cubone.
		R	B	Y	Walking: Victory Road (all floors)
		R	B	Y	Walking: Victory Road 2F and 3F In-Game Trade: Route 5-6 Underground Path
	Machamp	R	B	Y	Evolve Machoke	Machoke evolves by trading. In Yellow, the Machoke the player receives by in-game trade will evolve into Machamp.
		R	B	Y	In-Game Trade: Route 5-6 Underground Path
	Bellsprout	R	B	Y	Walking: Routes 5, 6, 7, 12, 13, 14, 15, 24, and 25
		R	B	Y	Walking: Routes 12, 13, 14, 15, 24, and 25
	Weepinbell	R	B	Y	Evolve Bellsprout
		R	B	Y	Walking: Routes 12, 13, 14, and 15
		R	B	Y	Walking: Routes 12, 13, 14, and 15, Cerulean Cave 1F and 2F
	Victreebel	R	B	Y	Evolve Weepinbell
	Tentacool	R	B	Y	Surfing: Routes 19, 20, and 21 Fishing (Super Rod): Pallet Town, Viridian City, Routes 12, 13, 17, and 18
		R	B	Y	Surfing: Routes 19, 20, and 21, Seafoam Islands B3F and B4F Fishing (Super Rod): Pallet Town, Vermilion City & Harbor, Cinnabar Island, Routes 11, 13, 17, 18, 19, 20, and 21
	Tentacruel	R	B	Y	Evolve Tentacool
		R	B	Y	Fishing (Super Rod): Routes 19, 20, and 21
	Geodude	R	B	Y	Walking: Mt. Moon (all floors), Rock Tunnel (all floors), Victory Road (all floors)
	Graveler	R	B	Y	Evolve Geodude
		R	B	Y	Walking: Victory Road (all floors)
		R	B	Y	Walking: Victory Road (all floors), Cerulean Cave (all floors)
	Golem	R	B	Y	Evolve Graveler	Graveler evolves by trading.
	Ponyta	R	B	Y	Walking: Pokémon Mansion (all floors)
		R	B	Y	Walking: Route 17
	Rapidash	R	B	Y	Evolve Ponyta
	Slowpoke	R	B	Y	Walking: Seafoam Islands (all floors) Fishing (Super Rod): Celadon City, Route 10, Safari Zone (all areas)
		R	B	Y	Walking: Seafoam Islands 1F Fishing (Super Rod): Celadon City, Route 10, Safari Zone (all areas)
		R	B	Y	Walking: Seafoam Islands 1F, B1F, and B2F Fishing (Super Rod): Routes 12 and 13
	Slowbro	R	B	Y	Evolve Slowpoke
		R	B	Y	Walking: Seafoam Islands B2F and B4F Fishing (Super Rod): Route 23, Cerulean Cave 1F and B1F
		R	B	Y	Walking: Seafoam Islands 1F Fishing (Super Rod): Route 23, Cerulean Cave 1F and B1F
		R	B	Y	Walking: Seafoam Islands B2F Surfing: Routes 12 and 13
	Magnemite	R	B	Y	Walking: Power Plant
		R	B	Y	Walking: Route 10, Power Plant
	Magneton	R	B	Y	Evolve Magnemite
		R	B	Y	Walking: Power Plant, Cerulean Cave 1F
		R	B	Y	Walking: Power Plant
	Farfetch'd	R	B	Y	In-Game Trade: Vermilion City	In Red and Blue, the player can only get one. The in-game trade in Red and Blue is for the player's Spearow.
		R	B	Y	Walking: Routes 12 and 13
	Doduo	R	B	Y	Walking: Routes 16, 17, and 18, Safari Zone East and West
		R	B	Y	Walking: Routes 16, 17, and 18
	Dodrio	R	B	Y	Evolve Doduo
		R	B	Y	Walking: Cerulean Cave 1F and 2F
		R	B	Y	Walking: Route 17
	Seel	R	B	Y	Walking: Seafoam Islands (all floors) In-Game Trade: Cinnabar Lab	The in-game trade in Red and Blue is for the player's Ponyta.
		R	B	Y	Walking: Seafoam Islands B1F, B2F, B3F, and B4F
	Dewgong	R	B	Y	Evolve Seel	The in-game trade in Yellow is for the player's Growlithe.
		R	B	Y	Walking: Seafoam Islands B1F and B3F
		R	B	Y	Walking: Seafoam Islands B3F and B4F In-Game Trade: Cinnabar Lab
	Grimer	R	B	Y	Walking: Pokémon Mansion (all floors)
		R	B	Y	Walking: Power Plant, Pokémon Mansion (all floors)
	Muk	R	B	Y	Evolve Grimer	The in-game trade in Yellow is for the player's Kangaskhan.
		R	B	Y	Walking: Pokémon Mansion (all floors)
		R	B	Y	Walking: Power Plant, Pokémon Mansion 2F, 3F, and B1F In-Game Trade: Cinnabar Lab
	Shellder	R	B	Y	Walking: Seafoam Islands (all floors) Fishing (Super Rod): Vermilion City & Harbor, Cinnabar Island, Routes 6, 11, 19, 20, and 21, Seafoam Islands B3F and B4F
		R	B	Y	Walking: Seafoam Islands B1F and B2F Fishing (Super Rod): Vermilion City & Harbor, Cinnabar Island, Routes 6, 11, 19, 20, and 21, Seafoam Islands B3F and B4F
		R	B	Y	Fishing (Super Rod): Vermilion Harbor, Routes 17 and 18
	Cloyster	R	B	Y	Evolve Shellder
	Gastly	R	B	Y	Walking: Pokémon Tower 3F and above
	Haunter	R	B	Y	Evolve Gastly
		R	B	Y	Walking: Pokémon Tower 3F and above
	Gengar	R	B	Y	Evolve Haunter	Haunter evolves by trading.
	Onix	R	B	Y	Walking: Rock Tunnel (all floors), Victory Road (all floors)
		R	B	Y	Walking: Rock Tunnel B1F, Victory Road (all floors)
	Drowzee	R	B	Y	Walking: Route 11
	Hypno	R	B	Y	Evolve Drowzee
		R	B	Y	Walking: Cerulean Cave 1F
	Krabby	R	B	Y	Fishing (Super Rod): Cerulean City, Vermilion City & Harbor, Fuchsia City, Routes 6, 11, 12, 13, 17, 18, 24, and 25, Safari Zone (all areas)
		R	B	Y	Walking: Seafoam Islands (all floors) Fishing (Super Rod): Cerulean City, Vermilion City & Harbor, Fuchsia City, Routes 6, 11, 12, 13, 17, 18, 24, and 25, Safari Zone (all areas)
		R	B	Y	Walking: Seafoam Islands (all floors) Fishing (Super Rod): Routes 10 and 25, Seafoam Islands B3F and B4F
	Kingler	R	B	Y	Evolve Krabby
		R	B	Y	Fishing (Super Rod): Route 23, Cerulean Cave 1F and B1F
		R	B	Y	Walking: Seafoam Islands B1F and B3F Fishing (Super Rod): Route 23, Cerulean Cave 1F and B1F
		R	B	Y	Walking: Seafoam Islands B1F, B2F, B3F, and B4F Fishing (Super Rod): Routes 10 and 25, Seafoam Islands B3F and B4F
	Voltorb	R	B	Y	Walking: Route 10, Power Plant Static: Power Plant (Six)
		R	B	Y	Walking: Power Plant Static: Power Plant (Six)
	Electrode	R	B	Y	Evolve Voltorb	The in-game trade in Red and Blue is for the player's Raichu.
		R	B	Y	Walking: Cerulean Cave 2F and B1F Static: Power Plant (Two) In-Game Trade: Cinnabar Lab
		R	B	Y	Static: Power Plant (Two)
	Exeggcute	R	B	Y	Walking: Safari Zone (all areas)
	Exeggutor	R	B	Y	Evolve Exeggcute
	Cubone	R	B	Y	Walking: Pokémon Tower 3F and above
		R	B	Y	Walking: Pokémon Tower 5F and above, Safari Zone East, North, and West
	Marowak	R	B	Y	Evolve Cubone
		R	B	Y	Walking: Victory Road 1F and 2F, Cerulean Cave 2F and B1F
		R	B	Y	Walking: Safari Zone East and West
	Hitmonlee	R	B	Y	Gift: Fighting Dojo	Only one. It is mutually exclusive with Hitmonchan.
	Hitmonchan	R	B	Y	Gift: Fighting Dojo	Only one. It is mutually exclusive with Hitmonlee.
	Lickitung	R	B	Y	In-Game Trade: Route 18	In Red and Blue, the player can only get one. The in-game trade in Red and Blue is for the player's Slowbro.
		R	B	Y	Walking: Cerulean Cave B1F
	Koffing	R	B	Y	Walking: Pokémon Mansion (all floors)
	Weezing	R	B	Y	Evolve Koffing
		R	B	Y	Walking: Pokémon Mansion (all floors)
	Rhyhorn	R	B	Y	Walking: Safari Zone Center and North
		R	B	Y	Walking: Safari Zone Center and North, Cerulean Cave 2F and B1F
	Rhydon	R	B	Y	Evolve Rhyhorn	The in-game trade in Yellow is for the player's Golduck.
		R	B	Y	Walking: Cerulean Cave 2F and B1F
		R	B	Y	Walking: Cerulean Cave 2F and B1F In-Game Trade: Cinnabar Lab
	Chansey	R	B	Y	Walking: Safari Zone Center and North, Cerulean Cave 2F and B1F
		R	B	Y	Walking: Safari Zone Center and East, Cerulean Cave B1F
	Tangela	R	B	Y	Walking: Route 21 In-Game Trade: Cinnabar Lab	The in-game trade in Red and Blue is for the player's Venonat.
		R	B	Y	Walking: Safari Zone Center and West
	Kangaskhan	R	B	Y	Walking: Safari Zone East and West
		R	B	Y	Walking: Safari Zone North
	Horsea	R	B	Y	Walking: Seafoam Islands (all floors) Fishing (Super Rod): Cinnabar Island, Routes 19, 20, and 21, Seafoam Islands B3F and B4F
		R	B	Y	Fishing (Super Rod): Cinnabar Island, Routes 19, 20, and 21, Seafoam Islands B3F and B4F
		R	B	Y	Fishing (Super Rod): Vermilion City, Routes 10, 11, 12, and 13
	Seadra	R	B	Y	Evolve Horsea
		R	B	Y	Walking: Seafoam Islands B1F and B3F Fishing (Super Rod): Route 23, Cerulean Cave 1F and B1F
		R	B	Y	Fishing (Super Rod): Route 23, Cerulean Cave 1F and B1F
		R	B	Y	Fishing (Super Rod): Routes 12 and 13
	Goldeen	R	B	Y	Fishing (Good Rod): Any Fishing location Fishing (Super Rod): Cerulean City, Fuchsia City, Cinnabar Island, Routes 12, 13, 17, 18, 19, 20, 21, 22, 24, and 25, Seafoam Islands B3F and B4F
		R	B	Y	Fishing (Good Rod): Any Fishing location Fishing (Super Rod): Cerulean City, Celadon City, Routes 6 and 24, Cerulean Cave 1F and B1F
	Seaking	R	B	Y	Evolve Goldeen
		R	B	Y	Fishing (Super Rod): Fuchsia City, Route 23, Cerulean Cave 1F and B1F
		R	B	Y	Fishing (Super Rod): Cerulean City, Route 24, Cerulean Cave 1F and B1F
	Staryu	R	B	Y	Walking: Seafoam Islands B1F and B2F Fishing (Super Rod): Cinnabar Island, Routes 19, 20, and 21, Seafoam Islands B3F and B4F
		R	B	Y	Walking: Seafoam Islands (all floors) Fishing (Super Rod): Cinnabar Island, Routes 19, 20, and 21, Seafoam Islands B3F and B4F
		R	B	Y	Surfing: Seafoam Islands B3F and B4F Fishing (Super Rod): Pallet Town, Vermilion Harbor, Cinnabar Island, Routes 19, 20, and 21, Seafoam Islands B3F and B4F
	Starmie	R	B	Y	Evolve Staryu
	Mr. Mime	R	B	Y	In-Game Trade: Route 2	Only one. The in-game trade in Red and Blue is for the player's Abra. The in-game trade in Yellow is for the player's Clefairy.
	Scyther	R	B	Y	Walking: Safari Zone Center and East Purchase: Celadon Game Corner
		R	B	Y	Walking: Safari Zone East and North Purchase: Celadon Game Corner
	Jynx	R	B	Y	In-Game Trade: Cerulean City	In Red and Blue, the player can only get one. The in-game trade in Red and Blue is for the player's Poliwhirl.
	Electabuzz	R	B	Y	Walking: Power Plant
	Magmar	R	B	Y	Walking: Pokémon Mansion 3F and B1F
	Pinsir	R	B	Y	Walking: Safari Zone Center and East Purchase: Celadon Game Corner
		R	B	Y	Walking: Safari Zone North and West Purchase: Celadon Game Corner
	Tauros	R	B	Y	Walking: Safari Zone North and West
		R	B	Y	Walking: Safari Zone East and West
	Magikarp	R	B	Y	Fishing (Old Rod): Any Fishing location Fishing (Super Rod): Fuchsia City, Routes 12, 13, 17, and 18 Purchase: Route 4
		R	B	Y	Fishing (Old Rod): Any Fishing location Fishing (Super Rod): Fuchsia City, Safari Zone (all areas) Purchase: Route 4
	Gyarados	R	B	Y	Evolve Magikarp
		R	B	Y	Fishing (Super Rod): Fuchsia City
	Lapras	R	B	Y	Gift: Silph Co.	Only one.
	Ditto	R	B	Y	Walking: Routes 13, 14, 15, and 23, Cerulean Cave (all floors)
		R	B	Y	Walking: Pokémon Mansion B1F, Cerulean Cave (all floors)
	Eevee	R	B	Y	Gift: Celadon City	Only one. Without trading, the player can only get one of its evolutions.
	Vaporeon	R	B	Y	Evolve Eevee
	Jolteon	R	B	Y	Evolve Eevee
	Flareon	R	B	Y	Evolve Eevee
	Porygon	R	B	Y	Purchase: Celadon Game Corner
	Omanyte	R	B	Y	Gift: Cinnabar Lab (Revive from Helix Fossil)	Only one. It is mutually exclusive with Kabuto.
	Omastar	R	B	Y	Evolve Omanyte
	Kabuto	R	B	Y	Gift: Cinnabar Lab (Revive from Dome Fossil)	Only one. It is mutually exclusive with Omanyte.
	Kabutops	R	B	Y	Evolve Kabuto
	Aerodactyl	R	B	Y	Gift: Cinnabar Lab (Revive from Old Amber)	Only one.
	Snorlax	R	B	Y	Static: Routes 12 and 16	Only two. If they are defeated or run from, they will not return.
	Articuno	R	B	Y	Static: Seafoam Islands B4F	Only one. If it is defeated or run from, it will not return.
	Zapdos	R	B	Y	Static: Power Plant	Only one. If it is defeated or run from, it will not return.
	Moltres	R	B	Y	Static: Victory Road 2F	Only one. If it is defeated or run from, it will not return.
	Dratini	R	B	Y	Fishing (Super Rod): Safari Zone (all areas) Purchase: Celadon Game Corner
		R	B	Y	Fishing (Super Rod): Safari Zone (all areas)
	Dragonair	R	B	Y	Evolve Dratini
		R	B	Y	Fishing (Super Rod): Safari Zone Center
	Dragonite	R	B	Y	Evolve Dragonair
	Mewtwo	R	B	Y	Static: Cerulean Cave B1F	Only one. If it is defeated or run from, it will not return.
	Mew	R	B	Y	The only way to obtain Mew without glitches or hacking was to receive it in an event for a physical copy of Red, Blue, Yellow, Gold, Silver, or Crystal between 1996 and 2002, or for the Virtual Console rerelease of Red, Blue, and Yellow in 2016.