Route 13
Pokemon Red
| Pokemon | Levels | Method | Rarity | 
|---|---|---|---|
 Ditto | 25 | Walking in tall grass or a cave | 5% | 
 Gloom | 28-30 | Walking in tall grass or a cave | 5% | 
 Goldeen | 15 | Fishing with a Super Rod | 25% | 
 Goldeen | 10 | Fishing with a Good Rod | 50% | 
 Krabby | 15 | Fishing with a Super Rod | 25% | 
 Magikarp | 5 | Fishing with an Old Rod | 100% | 
 Magikarp | 15 | Fishing with a Super Rod | 25% | 
 Oddish | 22-26 | Walking in tall grass or a cave | 35% | 
 Pidgey | 25-27 | Walking in tall grass or a cave | 35% | 
 Poliwag | 10 | Fishing with a Good Rod | 50% | 
 Tentacool | 5 | Fishing with a Super Rod | 25% | 
 Venonat | 24-26 | Walking in tall grass or a cave | 20% | 
Pokemon Blue
| Pokemon | Levels | Method | Rarity | 
|---|---|---|---|
 Bellsprout | 22-26 | Walking in tall grass or a cave | 35% | 
 Ditto | 25 | Walking in tall grass or a cave | 5% | 
 Goldeen | 15 | Fishing with a Super Rod | 25% | 
 Goldeen | 10 | Fishing with a Good Rod | 50% | 
 Krabby | 15 | Fishing with a Super Rod | 25% | 
 Magikarp | 5 | Fishing with an Old Rod | 100% | 
 Magikarp | 15 | Fishing with a Super Rod | 25% | 
 Pidgey | 25-27 | Walking in tall grass or a cave | 35% | 
 Poliwag | 10 | Fishing with a Good Rod | 50% | 
 Tentacool | 5 | Fishing with a Super Rod | 25% | 
 Venonat | 24-26 | Walking in tall grass or a cave | 20% | 
 Weepinbell | 28-30 | Walking in tall grass or a cave | 5% | 
Pokemon Yellow
| Pokemon | Levels | Method | Rarity | 
|---|---|---|---|
 Bellsprout | 25-27 | Walking in tall grass or a cave | 30% | 
 Farfetch'd | 26-31 | Walking in tall grass or a cave | 5% | 
 Gloom | 29 | Walking in tall grass or a cave | 5% | 
 Goldeen | 10 | Fishing with a Good Rod | 50% | 
 Horsea | 15-20 | Fishing with a Super Rod | 70% | 
 Magikarp | 5 | Fishing with an Old Rod | 100% | 
 Oddish | 25-27 | Walking in tall grass or a cave | 30% | 
 Pidgeotto | 28 | Walking in tall grass or a cave | 15% | 
 Pidgey | 28 | Walking in tall grass or a cave | 10% | 
 Poliwag | 10 | Fishing with a Good Rod | 50% | 
 Seadra | 20 | Fishing with a Super Rod | 10% | 
 Slowbro | 15-20 | Surfing | 5% | 
 Slowpoke | 15 | Surfing | 95% | 
 Tentacool | 10 | Fishing with a Super Rod | 20% | 
 Weepinbell | 29 | Walking in tall grass or a cave | 5% | 
Pokemon FireRed
| Pokemon | Levels | Method | Rarity | 
|---|---|---|---|
 Ditto | 25 | Walking in tall grass or a cave | 5% | 
 Gloom | 28-30 | Walking in tall grass or a cave | 5% | 
 Gyarados | 15-25 | Fishing with a Super Rod | 15% | 
 Horsea | 15-35 | Fishing with a Super Rod | 84% | 
 Horsea | 5-15 | Fishing with a Good Rod | 60% | 
 Krabby | 5-15 | Fishing with a Good Rod | 20% | 
 Magikarp | 5 | Fishing with an Old Rod | 100% | 
 Magikarp | 5-15 | Fishing with a Good Rod | 20% | 
 Oddish | 22-26 | Walking in tall grass or a cave | 35% | 
 Pidgeotto | 29 | Walking in tall grass or a cave | 5% | 
 Pidgey | 25-27 | Walking in tall grass or a cave | 20% | 
 Psyduck | 25-35 | Fishing with a Super Rod | 1% | 
 Tentacool | 5-40 | Surfing | 100% | 
 Venonat | 24-26 | Walking in tall grass or a cave | 30% | 
Pokemon LeafGreen
| Pokemon | Levels | Method | Rarity | 
|---|---|---|---|
 Bellsprout | 22-26 | Walking in tall grass or a cave | 35% | 
 Ditto | 25 | Walking in tall grass or a cave | 5% | 
 Gyarados | 15-25 | Fishing with a Super Rod | 15% | 
 Horsea | 5-15 | Fishing with a Good Rod | 20% | 
 Krabby | 15-35 | Fishing with a Super Rod | 84% | 
 Krabby | 5-15 | Fishing with a Good Rod | 60% | 
 Magikarp | 5 | Fishing with an Old Rod | 100% | 
 Magikarp | 5-15 | Fishing with a Good Rod | 20% | 
 Pidgeotto | 29 | Walking in tall grass or a cave | 5% | 
 Pidgey | 25-27 | Walking in tall grass or a cave | 20% | 
 Slowpoke | 25-35 | Fishing with a Super Rod | 1% | 
 Tentacool | 5-40 | Surfing | 100% | 
 Venonat | 24-26 | Walking in tall grass or a cave | 30% | 
 Weepinbell | 28-30 | Walking in tall grass or a cave | 5% | 
Pokemon HeartGold and SoulSilver
| Pokemon | Levels | Method | Rarity | 
|---|---|---|---|
 Bidoof | 25 | Walking in tall grass or a cave | 20% | 
 Buizel | 23 | Walking in tall grass or a cave | 20% | 
 Chansey | 23-25 | Walking in tall grass or a cave | 41% | 
 Hoppip | 22-24 | Walking in tall grass or a cave | 38% | 
 Linoone | 25 | Walking in tall grass or a cave | 20% | 
 Magikarp | 40 | Fishing with a Super Rod | 20% | 
 Magikarp | 10 | Fishing with an Old Rod | 85% | 
 Magikarp | 20 | Fishing with a Good Rod | 40% | 
 Nidorina | 23 | Walking in tall grass or a cave | 30% | 
 Nidorino | 23 | Walking in tall grass or a cave | 30% | 
 Noctowl | 25 | Walking in tall grass or a cave | 20% | 
 Pidgeotto | 25 | Walking in tall grass or a cave | 40% | 
 Quagsire | 25 | Surfing | 30% | 
 Quagsire | 22-24 | Walking in tall grass or a cave | 19% | 
 Qwilfish | 40 | Fishing with a Super Rod | 10% | 
 Tentacool | 10 | Fishing with an Old Rod | 15% | 
 Tentacool | 20 | Fishing with a Good Rod | 60% | 
 Tentacool | 25 | Surfing | 60% | 
 Tentacool | 40 | Fishing with a Super Rod | 70% | 
 Tentacruel | 25 | Surfing | 10% | 
 Whismur | 23 | Walking in tall grass or a cave | 20% | 

Ditto
Gloom
Goldeen
Krabby
Magikarp
Oddish
Pidgey
Poliwag
Tentacool
Venonat
Bellsprout
Weepinbell
Farfetch'd
Horsea
Pidgeotto
Seadra
Slowbro
Slowpoke
Gyarados
Psyduck
Bidoof
Buizel
Chansey
Hoppip
Linoone
Nidorina
Nidorino
Noctowl
Quagsire
Qwilfish
Tentacruel
Whismur