Viridian Forest
Pokemon Red
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
 Caterpie | 3 | Walking in tall grass or a cave | 5% |
 Kakuna | 4-6 | Walking in tall grass or a cave | 40% |
 Metapod | 4 | Walking in tall grass or a cave | 5% |
 Pikachu | 3-5 | Walking in tall grass or a cave | 5% |
 Weedle | 3-5 | Walking in tall grass or a cave | 45% |
Pokemon Blue
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
| Caterpie | 3-5 | Walking in tall grass or a cave | 45% |
| Kakuna | 4 | Walking in tall grass or a cave | 5% |
| Metapod | 4-6 | Walking in tall grass or a cave | 40% |
| Pikachu | 3-5 | Walking in tall grass or a cave | 5% |
| Weedle | 3 | Walking in tall grass or a cave | 5% |
Pokemon Yellow
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
| Caterpie | 3-6 | Walking in tall grass or a cave | 50% |
| Metapod | 4-6 | Walking in tall grass or a cave | 25% |
 Pidgeotto | 9 | Walking in tall grass or a cave | 1% |
 Pidgey | 4-8 | Walking in tall grass or a cave | 24% |
Pokemon FireRed
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
| Caterpie | 3-5 | Walking in tall grass or a cave | 40% |
| Kakuna | 4-6 | Walking in tall grass or a cave | 10% |
| Metapod | 5 | Walking in tall grass or a cave | 5% |
| Pikachu | 3-5 | Walking in tall grass or a cave | 5% |
| Weedle | 3-5 | Walking in tall grass or a cave | 40% |
Pokemon LeafGreen
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
| Caterpie | 3-5 | Walking in tall grass or a cave | 40% |
| Kakuna | 5 | Walking in tall grass or a cave | 5% |
| Metapod | 4-6 | Walking in tall grass or a cave | 10% |
| Pikachu | 3-5 | Walking in tall grass or a cave | 5% |
| Weedle | 3-5 | Walking in tall grass or a cave | 40% |
Pokemon HeartGold
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
 Budew | 3 | Walking in tall grass or a cave | 20% |
 Butterfree | 7 | Walking in tall grass or a cave | 10% |
 Carnivine | 5 | Walking in tall grass or a cave | 20% |
| Caterpie | 3 | Walking in tall grass or a cave | 80% |
 Hoothoot | 3-5 | Walking in tall grass or a cave | 80% |
 Kricketot | 3 | Walking in tall grass or a cave | 40% |
| Metapod | 3-5 | Walking in tall grass or a cave | 60% |
 Noctowl | 7 | Walking in tall grass or a cave | 15% |
 Numel | 5 | Walking in tall grass or a cave | 20% |
| Pidgeotto | 7 | Walking in tall grass or a cave | 13% |
| Pidgey | 3-7 | Walking in tall grass or a cave | 25% |
| Pikachu | 4-7 | Walking in tall grass or a cave | 7% |
 Spoink | 3 | Walking in tall grass or a cave | 20% |
Pokemon SoulSilver
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
 Beedrill | 7 | Walking in tall grass or a cave | 10% |
| Budew | 3 | Walking in tall grass or a cave | 20% |
| Carnivine | 5 | Walking in tall grass or a cave | 20% |
| Hoothoot | 3-5 | Walking in tall grass or a cave | 80% |
| Kakuna | 3-5 | Walking in tall grass or a cave | 60% |
| Kricketot | 3 | Walking in tall grass or a cave | 40% |
| Noctowl | 7 | Walking in tall grass or a cave | 15% |
| Numel | 5 | Walking in tall grass or a cave | 20% |
| Pidgeotto | 7 | Walking in tall grass or a cave | 13% |
| Pidgey | 3-7 | Walking in tall grass or a cave | 25% |
| Pikachu | 4-7 | Walking in tall grass or a cave | 7% |
| Spoink | 3 | Walking in tall grass or a cave | 20% |
| Weedle | 3 | Walking in tall grass or a cave | 80% |