A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | |
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1 | Species | Obtainable? | Version Exclusive? | Location | Notes | |||||||||||||||||||||
2 | Bulbasaur | Yes | No | Oak's Lab (Only one) | ||||||||||||||||||||||
3 | Ivysaur | Yes | No | Evolve Bulbasaur | ||||||||||||||||||||||
4 | Venusaur | Yes | No | Evolve Ivysaur | ||||||||||||||||||||||
5 | Charmander | Yes | No | Oak's Lab (Only one) | ||||||||||||||||||||||
6 | Charmeleon | Yes | No | Evolve Charmander | ||||||||||||||||||||||
7 | Charizard | Yes | No | Evolve Charmeleon | ||||||||||||||||||||||
8 | Squirtle | Yes | No | Oak's Lab (Only one) | ||||||||||||||||||||||
9 | Wartortle | Yes | No | Evolve Squirtle | ||||||||||||||||||||||
10 | Blastoise | Yes | No | Evolve Wartortle | ||||||||||||||||||||||
11 | Caterpie | Yes | No | Route 2, Route 24, Route 25, Viridian Forest | ||||||||||||||||||||||
12 | Metapod | Yes | No | Route 24, Route 25, Viridian Forest | ||||||||||||||||||||||
13 | Butterfree | Yes | No | Viridian Forest (Hidden Grotto) | ||||||||||||||||||||||
14 | Weedle | Yes | No | Route 2, Route 24, Route 25, Viridian Forest | ||||||||||||||||||||||
15 | Kakuna | Yes | No | Route 24, Route 25, Viridian Forest | ||||||||||||||||||||||
16 | Beedrill | Yes | No | Viridian Forest (Hidden Grotto) | ||||||||||||||||||||||
17 | Pidgey | Yes | No | Most routes Viridian Forest (Hidden Grotto) | ||||||||||||||||||||||
18 | Pidgeotto | Yes | No | Route 13, Route 14, Route 15 | ||||||||||||||||||||||
19 | Pidgeot | Yes | No | Evolve Pidgeotto | ||||||||||||||||||||||
20 | Rattata | Yes | No | Route 1, Route 2, Route 4, Route 9, Route 16, Route 17, Route 18, Route 22, Pokémon Mansion | ||||||||||||||||||||||
21 | Raticate | Yes | No | Route 16, Route 17, Route 18, Route 22, Pokémon Mansion Route 11 (Hidden Grotto) | ||||||||||||||||||||||
22 | Spearow | Yes | No | Route 3, Route 4, Route 9, Route 10, Route 11, Route 16, Route 17, Route 18, Route 22, Route 23 | ||||||||||||||||||||||
23 | Fearow | Yes | No | Route 17, Route 18, Route 23 Celadon City (Hidden Grotto) | ||||||||||||||||||||||
24 | Ekans | Yes | Infernal Red | Route 4, Route 8, Route 9, Route 10, Route 11, Route 23 | ||||||||||||||||||||||
25 | Arbok | Yes | Infernal Red | Route 23, Victory Road | ||||||||||||||||||||||
26 | Pikachu | Yes | No | Viridian Forest, Power Plant Viridian Forest (Hidden Grotto) | ||||||||||||||||||||||
27 | Raichu | Yes | No | Evolve Pikachu | Use Thunderstone | |||||||||||||||||||||
28 | Sandshrew | Yes | Natural Green | Route 4, Route 8, Route 9, Route 10, Route 11, Route 23 | ||||||||||||||||||||||
29 | Sandslash | Yes | Natural Green | Route 23, Victory Road | ||||||||||||||||||||||
30 | Nidoran ♀ | Yes | No | Route 3, Safari Zone Underground Path (Trade for Nidoran ♂) (Infernal Red only) | ||||||||||||||||||||||
31 | Nidorina | Yes | No | Safari Zone Route 11 (Trade for Nidorino) (Infernal Red only) Celadon City (Hidden Grotto) | ||||||||||||||||||||||
32 | Nidoqueen | Yes | No | Evolve Nidorina | Use Moon Stone | |||||||||||||||||||||
33 | Nidoran ♂ | Yes | No | Route 3, Safari Zone Underground Path (Trade for Nidoran ♀) (Natural Green only) | ||||||||||||||||||||||
34 | Nidorino | Yes | No | Safari Zone Route 11 (Trade for Nidorina) (Natural Green only) Celadon City (Hidden Grotto) | ||||||||||||||||||||||
35 | Nidoking | Yes | No | Evolve Nidorino | Use Moon Stone | |||||||||||||||||||||
36 | Clefairy | Yes | No | Mt. Moon Game Corner Prize (625 coins) Route 7 (Hidden Grotto) | ||||||||||||||||||||||
37 | Clefable | Yes | No | Evolve Clefairy | Use Moon Stone | |||||||||||||||||||||
38 | Vulpix | Yes | Natural Green | Route 7, Route 8, Pokémon Mansion | ||||||||||||||||||||||
39 | Ninetales | Yes | Natural Green | Evolve Vulpix | Use Fire Stone | |||||||||||||||||||||
40 | Jigglypuff | Yes | No | Route 3 Route 7 (Hidden Grotto) | ||||||||||||||||||||||
41 | Wigglytuff | Yes | No | Evolve Jigglypuff | Use Moon Stone | |||||||||||||||||||||
42 | Zubat | Yes | No | Mt. Moon, Rock Tunnel, Seafoam Islands, Cerulean Cave, Victory Road Rock Tunnel (Swooping) Pewter City (Hidden Grotto) | ||||||||||||||||||||||
43 | Golbat | Yes | No | Seafoam Islands, Cerulean Cave, Victory Road, Navel Rock Cerulean Cave (Swooping) | ||||||||||||||||||||||
44 | Oddish | Yes | Infernal Red | Route 5, Route 6, Route 7, Route 12, Route 13, Route 14, Route 15, Route 24, Route 25 | ||||||||||||||||||||||
45 | Gloom | Yes | Infernal Red | Route 12, Route 13, Route 14, Route 15 | ||||||||||||||||||||||
46 | Vileplume | Yes | Infernal Red | Evolve Gloom | Use Leaf Stone | |||||||||||||||||||||
47 | Paras | Yes | No | Mt. Moon, Safari Zone, Cerulean Cave | ||||||||||||||||||||||
48 | Parasect | Yes | No | Safari Zone, Cerulean Cave Route 7 (Hidden Grotto) | ||||||||||||||||||||||
49 | Venonat | Yes | No | Route 12, Route 13, Route 14, Route 15, Safari Zone | ||||||||||||||||||||||
50 | Venomoth | Yes | No | Safari Zone Cerulean Cave (Swooping) Route 14 (Hidden Grotto) | ||||||||||||||||||||||
51 | Diglett | Yes | No | Diglett's Cave Route 11 (Hidden Grotto) | ||||||||||||||||||||||
52 | Dugtrio | Yes | No | Diglett's Cave | ||||||||||||||||||||||
53 | Meowth | Yes | No | Route 5, Route 6, Route 7, Route 8 | ||||||||||||||||||||||
54 | Persian | Yes | No | Route 18 (Hidden Grotto) | ||||||||||||||||||||||
55 | Psyduck | Yes | Infernal Red | Seafoam Islands Most areas with water (Fishing) Route 6, Route 22, Route 23, Route 25, Viridian City, Celadon City, Fuchsia City, Safari Zone, Cerulean Cave, Seafoam Islands (Surfing) Pewter City (Hidden Grotto) | ||||||||||||||||||||||
56 | Golduck | Yes | Infernal Red | Seafoam Islands Cerulean Cave (Surfing) | ||||||||||||||||||||||
57 | Mankey | Yes | No | Route 3, Route 4, Route 22, Route 23, Rock Tunnel, Cerulean Cave | ||||||||||||||||||||||
58 | Primeape | Yes | No | Route 23, Cerulean Cave, Victory Road | ||||||||||||||||||||||
59 | Growlithe | Yes | Infernal Red | Route 7, Route 8, Pokémon Mansion | ||||||||||||||||||||||
60 | Arcanine | Yes | Infernal Red | Evolve Growlithe | Use Fire Stone | |||||||||||||||||||||
61 | Poliwag | Yes | No | Route 6, Route 22, Route 23, Route 25, Viridian City, Fuchsia City, Safari Zone, Cerulean Cave (Fishing) | ||||||||||||||||||||||
62 | Poliwhirl | Yes | No | Route 6, Route 22, Route 23, Route 25, Viridian City, Cerulean Cave (Fishing) Route 14 (Hidden Grotto) | ||||||||||||||||||||||
63 | Poliwrath | Yes | No | Evolve Poliwhirl | Use Water Stone | |||||||||||||||||||||
64 | Abra | Yes | No | Route 24, Route 25 Game Corner Prize (150 coins) | ||||||||||||||||||||||
65 | Kadabra | Yes | No | Cerulean Cave Route 7 (Hidden Grotto) | ||||||||||||||||||||||
66 | Alakazam | Yes | No | Evolve Kadabra | Use Link Cable | |||||||||||||||||||||
67 | Machop | Yes | No | Rock Tunnel, Cinnabar Volcano, Cerulean Cave, Victory Road Pewter City (Hidden Grotto) | ||||||||||||||||||||||
68 | Machoke | Yes | No | Cinnabar Volcano, Cerulean Cave, Victory Road | ||||||||||||||||||||||
69 | Machamp | Yes | No | Evolve Machoke | Use Link Cable | |||||||||||||||||||||
70 | Bellsprout | Yes | Natural Green | Route 5, Route 6, Route 7, Route 12, Route 13, Route 14, Route 15, Route 24, Route 25 | ||||||||||||||||||||||
71 | Weepinbell | Yes | Natural Green | Route 12, Route 13, Route 14, Route 15 | ||||||||||||||||||||||
72 | Victreebel | Yes | Natural Green | Evolve Weepinbell | Use Leaf Stone | |||||||||||||||||||||
73 | Tentacool | Yes | No | Most areas with water (Surfing) | ||||||||||||||||||||||
74 | Tentacruel | Yes | No | Navel Rock (Surfing) | ||||||||||||||||||||||
75 | Geodude | Yes | No | Mt. Moon, Rock Tunnel, Cinnabar Volcano, Cerulean Cave Rock Tunnel, Volcanic Path, Cinnabar Volcano (Rock Smash) | ||||||||||||||||||||||
76 | Graveler | Yes | No | Cinnabar Volcano, Cerulean Cave Rock Tunnel, Volcanic Path, Cinnabar Volcano (Rock Smash) Cerulean Cave (Swooping) | ||||||||||||||||||||||
77 | Golem | Yes | No | Evolve Graveler | Use Link Cable | |||||||||||||||||||||
78 | Ponyta | Yes | No | Cinnabar Volcano | ||||||||||||||||||||||
79 | Rapidash | Yes | No | Cinnabar Volcano | ||||||||||||||||||||||
80 | Slowpoke | Yes | Natural Green | Seafoam Islands Most areas with water (Fishing) Route 6, Route 22, Route 23, Route 25, Viridian City, Celadon City, Fuchsia City, Safari Zone, Cerulean Cave, Seafoam Islands (Surfing) Pewter City (Hidden Grotto) | ||||||||||||||||||||||
81 | Slowbro | Yes | Natural Green | Seafoam Islands Cerulean Cave (Surfing) | ||||||||||||||||||||||
82 | Magnemite | Yes | No | Power Plant, Cerulean Cave Route 11 (Hidden Grotto) | ||||||||||||||||||||||
83 | Magneton | Yes | No | Power Plant, Cerulean Cave | ||||||||||||||||||||||
84 | Farfetch'd | Yes | No | Vermilion City (Trade for Spearow) | ||||||||||||||||||||||
85 | Doduo | Yes | No | Route 16, Route 17, Route 18, Safari Zone | ||||||||||||||||||||||
86 | Dodrio | Yes | No | Route 14 (Hidden Grotto) | ||||||||||||||||||||||
87 | Seel | Yes | No | Seafoam Islands Seafoam Islands (Surfing) | ||||||||||||||||||||||
88 | Dewgong | Yes | No | Seafoam Islands Seafoam Islands (Surfing) | ||||||||||||||||||||||
89 | Grimer | Yes | No | Pokémon Mansion Celadon City (Fishing) Route 11 (Hidden Grotto) | ||||||||||||||||||||||
90 | Muk | Yes | No | Pokémon Mansion (Natural Green only) | ||||||||||||||||||||||
91 | Shellder | Yes | Infernal Red | Route 4, Route 11, Route 24, Pallet Town, Cerulean City, Vermilion City, Cinnabar Island (Fishing) | ||||||||||||||||||||||
92 | Cloyster | Yes | Infernal Red | Evolve Shellder | Use Water Stone | |||||||||||||||||||||
93 | Gastly | Yes | No | Pokémon Tower Rock Tunnel (Swooping) | ||||||||||||||||||||||
94 | Haunter | Yes | No | Pokémon Tower, Navel Rock | ||||||||||||||||||||||
95 | Gengar | Yes | No | Evolve Haunter | Use Link Cable | |||||||||||||||||||||
96 | Onix | Yes | No | Rock Tunnel, Cinnabar Volcano, Victory Road | ||||||||||||||||||||||
97 | Drowzee | Yes | No | Route 11 | ||||||||||||||||||||||
98 | Hypno | Yes | No | Route 18 (Hidden Grotto) | ||||||||||||||||||||||
99 | Krabby | Yes | No | Most areas with water (Fishing) | ||||||||||||||||||||||
100 | Kingler | Yes | No | Most areas with water (Fishing) (Natural Green only) |