Pokemon Mansion

Pokemon Red

PokemonLevelsMethodRarity
088Grimer30-35Walking in tall grass or a cave20%
058Growlithe32-35Walking in tall grass or a cave65%
109Koffing30-35Walking in tall grass or a cave170%
089Muk37-42Walking in tall grass or a cave4%
077Ponyta28-36Walking in tall grass or a cave104%
110Weezing37-42Walking in tall grass or a cave37%

Pokemon Blue

PokemonLevelsMethodRarity
088Grimer30-35Walking in tall grass or a cave170%
109Koffing30-35Walking in tall grass or a cave20%
126Magmar34-38Walking in tall grass or a cave14%
089Muk37-40Walking in tall grass or a cave33%
077Ponyta28-36Walking in tall grass or a cave94%
037Vulpix32-35Walking in tall grass or a cave65%
110Weezing37-42Walking in tall grass or a cave4%

Pokemon Yellow

PokemonLevelsMethodRarity
132Ditto12-24Walking in tall grass or a cave10%
088Grimer23-38Walking in tall grass or a cave130%
058Growlithe26-38Walking in tall grass or a cave20%
089Muk35-41Walking in tall grass or a cave20%
020Raticate34-46Walking in tall grass or a cave130%
019Rattata34-43Walking in tall grass or a cave90%

Pokemon FireRed

PokemonLevelsMethodRarity
132Ditto30Walking in tall grass or a cave10%
088Grimer28Walking in tall grass or a cave10%
058Growlithe30-32Walking in tall grass or a cave30%
109Koffing28-30Walking in tall grass or a cave60%
020Raticate32-38Walking in tall grass or a cave60%
019Rattata26-28Walking in tall grass or a cave20%
110Weezing32-34Walking in tall grass or a cave10%

Pokemon LeafGreen

PokemonLevelsMethodRarity
132Ditto30Walking in tall grass or a cave10%
088Grimer28-30Walking in tall grass or a cave60%
109Koffing28Walking in tall grass or a cave10%
089Muk32-34Walking in tall grass or a cave10%
020Raticate32-38Walking in tall grass or a cave60%
019Rattata26-28Walking in tall grass or a cave20%
037Vulpix30-32Walking in tall grass or a cave30%