| DEX↕️ | ✔️ | Name↕️ | Game↕️ | Location↕ |
|---|---|---|---|---|
| 89 | Muk | Black | Trade | |
| 89 | Muk | Shield | Unobtainable | |
| 89 | Muk | Sword | Unobtainable | |
| 89 | Muk | LetsGoEevee | Trade | |
| 89 | Muk | LetsGoPikachu | Pokemon Mansion, Power Plant (Kantonian)
Evolve Grimer (Lv. 38) (Alolan) | |
| 89 | Muk | UltraMoon | Evolve Grimer (Lv. 38) | |
| 89 | Muk | UltraSun | Evolve Grimer (Lv. 38) | |
| 89 | Muk | Moon | Evolve Grimer (Lv. 38) | |
| 89 | Muk | Sun | Evolve Grimer (Lv. 38) | |
| 89 | Muk | AlphaSapphire | Evolve Grimer (Lv. 38) | |
| 89 | Muk | OmegaRuby | Evolve Grimer (Lv. 38) | |
| 89 | Muk | Y | Friend Safari (Poison) | |
| 89 | Muk | X | Friend Safari (Poison) | |
| 89 | Muk | White2 | Castelia Sewers (Fishing, surfing in rippling water) (Spring/Summer)
Route 9 Route 9 (Hidden Grotto) | |
| 89 | Muk | Black2 | Castelia Sewers (Fishing, surfing in rippling water) (Spring/Summer)
Route 9 Route 9 (Hidden Grotto) | |
| 89 | Muk | White | Trade | |
| 89 | Muk | Red | Pokemon Mansion | |
| 89 | Muk | SoulSilver | Routes 16, 17, 18, Safari Zone
Celadon City, Safari Zone (Surfing) | |
| 89 | Muk | HeartGold | Routes 16, 17, 18, Safari Zone
Celadon City, Safari Zone (Surfing) | |
| 89 | Muk | Platinum | Evolve Grimer (Lv. 38) | |
| 89 | Muk | Pearl | Evolve Grimer (Lv. 38) | |
| 89 | Muk | Diamond | Evolve Grimer (Lv. 38) | |
| 89 | Muk | LeafGreen | Pokemon Mansion | |
| 89 | Muk | FireRed | Evolve Grimer (Lv. 38) | |
| 89 | Muk | Emerald | Evolve Grimer (Lv. 38) | |
| 89 | Muk | Sapphire | Evolve Grimer (Lv. 38) | |
| 89 | Muk | Ruby | Evolve Grimer (Lv. 38) | |
| 89 | Muk | Crystal | Routes 16, 17, 18
Celadon City (Surfing) | |
| 89 | Muk | Silver | Routes 16, 17, 18
Celadon City (Surfing) | |
| 89 | Muk | Gold | Routes 16, 17, 18
Celadon City (Surfing) | |
| 89 | Muk | Yellow | Pokemon Mansion, Power Plant
Trade Kangaskhan at the Pokemon Lab | |
| 89 | Muk | Blue | Pokemon Mansion |