| Number | Name | Location |
| 1 | Bulbasaur | River, Cave |
| 4 | Charmander | Volcano |
| 5 | Charmeleon | Volcano |
| 6 | Charizard | Volcano |
| 7 | Squirtle | Valley |
| 11 | Metapod | River |
| 12 | Butterfree | Beach |
| 14 | Kakuna | Tunnel |
| 16 | Pidgey | Beach |
| 25 | Pikachu | Beach, Tunnel, River, Cave |
| 27 | Sandshrew | Valley |
| 28 | Sandslash | Valley |
| 37 | Vulpix | Volcano |
| 39 | Jigglypuff | Cave |
| 41 | Zubat | Tunnel, Cave |
| 45 | Vileplume | River |
| 50 | Diglett | Tunnel |
| 51 | Dugtrio | Tunnel |
| 52 | Meowth | Beach |
| 54 | Psyduck | River |
| 56 | Mankey | Valley |
| 58 | Growlithe | Volcano |
| 59 | Arcanine | Volcano |
| 60 | Poliwag | River |
| 70 | Weepinbell | Cave |
| 71 | Victreebel | Cave |
| 74 | Geodude | Valley |
| 75 | Graveler | Valley |
| 78 | Rapidash | Volcano |
| 79 | Slowpoke | River |
| 80 | Slowbro | River |
| 81 | Magnemite | Tunnel |
| 82 | Magneton | Tunnel |
| 84 | Doduo | Beach |
| 88 | Grimer | Cave |
| 89 | Muk | Cave |
| 90 | Shellder | River |
| 91 | Cloyster | River |
| 93 | Haunter | Tunnel |
| 101 | Electrode | Tunnel |
| 109 | Koffing | Cave |
| 113 | Chansey | Beach |
| 115 | Kangaskhan | Beach |
| 118 | Goldeen | Valley |
| 120 | Staryu | Valley |
| 121 | Starmie | Valley |
| 123 | Scyther | Beach |
| 124 | Jynx | Cave |
| 125 | Electabuzz | Tunnel |
| 126 | Magmar | Volcano |
| 129 | Magikarp | Beach, Tunnel, Volcano, River, Cave, Valley |
| 130 | Gyarados | Valley |
| 131 | Lapras | Beach |
| 132 | Ditto | Cave |
| 133 | Eevee | Beach |
| 137 | Porygon | River |
| 143 | Snorlax | Beach |
| 144 | Articuno | Cave |
| 145 | Zapdos | Tunnel |
| 146 | Moltres | Volcano |
| 147 | Dratini | Valley |
| 149 | Dragonite | Valley |
| 151 | Mew Myuu | Rainbow Cloud |