001. Bulbasaur
Grass/Poison
Not Evolved
Get Bulbasaur from Oak at the start.

002. Ivysaur
Grass/Poison
Evolved from Bulbasaur

003. Venusaur
Grass/Poison
Evolved from Ivysaur

004. Charmander
Fire
Not Evolved
Choose Charmander from Oak at the start.

005. Charmeleon
Fire
Evolved from Charmander

006. Charizard
Fire
Evolved from Charmeleon

007. Squirtle
Water
Not Evolved
Choose Squirtle from Oak at the start.

008. Wartortle
Water
Evolved from Squirtle

009. Blastoise
Water
Evolved from Wartortle

010. Caterpie
Bug
Not Evolved
Viridian Forest

011. Metapod
Bug
Evolved from Caterpie
Viridian Forest

012. Butterfree
Bug/Flying
Evolved from Metapod

013. Weedle
Bug/Poison
Not Evolved
Route 25, Viridian Forest

014. Kakuna
Bug/Poison
Evolved from Weedle
Route 25, Viridian Forest

015. Beedrill
Bug/Flying/Poison
Evolved from Kakuna

016. Pidgey
Normal/Flying
Not Evolved
You'll find it.

017. Pidgeotto
Normal/Flying
Evolved from Pidgey

018. Pidgeot
Normal/Flying
Evolved from Pidgeotto

019. Rattata
Normal
Not Evolved
Very Common

020. Raticate
Normal
Evolved from Rattata

021. Spearow
Normal/Flying
Evolved
Very Common

023. Ekans
Poison
Not Evolved
Routes 4, 9, 8, and 11. Red Pack Only

024. Arbok
Poison
Evolved from Ekans

025. Pikachu
Electric
Not Evolved
Rare in Viridian Forest

026. Raichu
Electric
Thunderstone Evolution on Pikachu

027. Sandshrew
Ground
Not Evolved
Routes 4, 8, 9, and 11

028. Sandslash
Ground
Evolved from Sandshrew

029. Nidoran (f)
Poison
Not Evolved
Safari Zone

030. Nidorina
Poison
Evolved from Nidoran (f)
Safari Zone

031. Nidoqueen
Poison/Ground
Moonstone Evolution on Nidorina

032. Nidoran (m)
Poison
Not Evolved
Safari Zone/Route 22

033. Nidorino
Poison
Evolved from Nidoran (m)
Also in Safari Zone.

034. Nidoking
Poison/Ground
Moonstone Evolution on Nidorino

035. Clefairy
Normal
Not Evolved
Mt. Moon/Exchange Corner in Celadon City.

036. Clefable
Normal
Moonstone Evolution on Clefairy

037. Vulpix
Fire
Not Evolved
Poke�mon Mansion on Cinnabar
Island/Route 7, 8.

038. Ninetales
Fire
Firestone Evolution on Vulpix

039. Jigglypuff
Normal
Not Evolved
Route 3

040. Wigglytuff
Normal
Moonstone Evolution on Jigglypuff

041. Zubat
Poison/Flying
Not Evolved
Caves

042. Golbat
Poison/Flying
Evolved from Zubat
Victory Road

043. Oddish
Grass/Poison
Not Evolved
Routes 5, 6, 7, and 25 Red pack only

044. Gloom
Grass/Poison
Evolved from Oddish

045. Vileplume
Grass/Poison
Leafstone Evolution on Gloom

046. Paras
Bug/Grass
Not Evolved
Safari Zone/Mt. Moon

047. Parasect
Bug/Grass
Evolved from Paras
Also in Safari Zone

048. Venonat
Bug/Poison
Not Evolved
Safari Zone/Routes 12, 13, 14, 15.

049. Venomoth
Bug/Poison/Flying
Evolved from Venonat
Safari Zone/Victory Road Cave

050. Diglett
Ground
Not Evolved
Diglett's Cave