Location, Kanto
Ruin Valley: 16 species in 1 game
16 species, 2 versions
| Species | Method | Levels | Chance | Game page |
|---|---|---|---|---|
 Spearow | Walking in tall grass or a cave | 44 | 20% | All places |
 Fearow | Walking in tall grass or a cave | 49 | 10% | All places |
 Meowth | Walking in tall grass or a cave | 43 | 10% | All places |
 Persian | Walking in tall grass or a cave | 49 to 52 | 5% | All places |
 Psyduck | Fishing with a super rod | 15 to 35 | 5% | All places |
| Psyduck | Walking in tall grass or a cave | 41 | 5% | All places |
 Poliwag | Fishing with a good rod | 5 to 15 | 60% | All places |
| Poliwag | Fishing with a super rod | 15 to 25 | 40% | All places |
 Poliwhirl | Fishing with a super rod | 20 to 30 | 40% | All places |
 Goldeen | Fishing with a good rod | 5 to 15 | 20% | All places |
 Magikarp | Fishing with a good rod | 5 to 15 | 20% | All places |
| Magikarp | Fishing with an old rod | 5 | 100% | All places |
 Gyarados | Fishing with a super rod | 15 to 25 | 15% | All places |
 Natu | Walking in tall grass or a cave | 15 to 20 | 25% | All places |
 Yanma | Walking in tall grass or a cave | 18 | 10% | All places |
 Wooper | Surfing | 5 to 25 | 100% | All places |
| Wooper | Walking in tall grass or a cave | 15 | 10% | All places |
 Wobbuffet | Walking in tall grass or a cave | 25 | 5% | All places |
| Species | Method | Levels | Chance | Game page |
|---|---|---|---|---|
| Spearow | Walking in tall grass or a cave | 44 | 20% | All places |
| Fearow | Walking in tall grass or a cave | 49 | 10% | All places |
| Meowth | Walking in tall grass or a cave | 43 | 10% | All places |
| Persian | Walking in tall grass or a cave | 49 to 52 | 5% | All places |
| Poliwag | Fishing with a good rod | 5 to 15 | 60% | All places |
| Poliwag | Fishing with a super rod | 15 to 25 | 40% | All places |
| Poliwhirl | Fishing with a super rod | 20 to 30 | 40% | All places |
 Slowpoke | Fishing with a super rod | 15 to 35 | 5% | All places |
| Slowpoke | Walking in tall grass or a cave | 41 | 5% | All places |
| Goldeen | Fishing with a good rod | 5 to 15 | 20% | All places |
| Magikarp | Fishing with a good rod | 5 to 15 | 20% | All places |
| Magikarp | Fishing with an old rod | 5 | 100% | All places |
| Gyarados | Fishing with a super rod | 15 to 25 | 15% | All places |
| Natu | Walking in tall grass or a cave | 15 to 20 | 25% | All places |
 Marill | Surfing | 5 to 25 | 100% | All places |
| Marill | Walking in tall grass or a cave | 15 | 10% | All places |
| Yanma | Walking in tall grass or a cave | 18 | 10% | All places |
| Wobbuffet | Walking in tall grass or a cave | 25 | 5% | All places |