
| Id | 88 | 
| Type | poison | 
| Species | Sludge Pokémon | 
| Height | 0.9 m | 
| Weight | 30 kg | 
| Abilities | Stench, Sticky Hold Hidden Ability: Poison Touch | 
| Local Ids | 88 (Red/Blue/Yellow) 116 (Gold/Silver/Crystal) 106 (Ruby/Sapphire/Emerald) 88 (FireRed/LeafGreen) 117 (HeartGold/SoulSilver) 64 (Black 2/White 2) 111 (Omega Ruby/Alpha Sapphire) 50 (Sun/Moon — Alola dex) 57 (U.Sun/U.Moon — Alola dex) 88 (Let's Go Pikachu/Let's Go Eevee) | 
| Catch rate | 190 | 
| Base Friendship | 50 (normal) | 
| Base Exp | 65 | 
| Growth Rate | Medium Fast | 
| Egg Groups | Amorphous | 
| Gender | 50% male, 50% female | 
| Egg cycles | 20 (4,884–5,140 steps) | 
| HP | 80 | |
| Attack | 80 | |
| Defense | 50 | |
| Sp. Atk | 40 | |
| Sp. Def | 50 | |
| Speed | 25 | |
| Total | 325 | 
| Level | Move | Type | Category | Power | Accuracy | 
|---|---|---|---|---|---|
| 1 | Poison Gas | poison | status | 0 | 90 | 
| 1 | Pound | normal | physical | 40 | 100 | 
| 4 | Harden | normal | status | 0 | — | 
| 7 | Mud-Slap | ground | special | 20 | 100 | 
| 12 | Disable | normal | status | 0 | 100 | 
| 15 | Sludge | poison | special | 65 | 100 | 
| 18 | Smog | poison | special | 30 | 70 | 
| 21 | Minimize | normal | status | 0 | — | 
| 26 | Fling | dark | physical | 0 | 100 | 
| 29 | Sludge Bomb | poison | special | 90 | 100 | 
| 32 | Sludge Wave | poison | special | 95 | 100 | 
| 37 | Screech | normal | status | 0 | 85 | 
| 40 | Gunk Shot | poison | physical | 120 | 80 | 
| 43 | Acid Armor | poison | status | 0 | — | 
| 46 | Belch | poison | special | 120 | 90 | 
| 48 | Memento | dark | status | 0 | 100 | 
Grimer does not learn any moves from evolution.
| Move | Type | Category | Power | Accuracy | 
|---|---|---|---|---|
| Acid Spray | poison | special | 40 | 100 | 
| Curse | ghost | status | 0 | — | 
| Haze | ice | status | 0 | — | 
| Imprison | psychic | status | 0 | — | 
| Lick | ghost | physical | 30 | 100 | 
| Mean Look | normal | status | 0 | — | 
| Power-Up Punch | fighting | physical | 40 | 100 | 
| Scary Face | normal | status | 0 | 100 | 
| Shadow Punch | ghost | physical | 60 | — | 
| Shadow Sneak | ghost | physical | 40 | 100 | 
| Spit Up | normal | special | 0 | 100 | 
| Stockpile | normal | status | 0 | — | 
| Swallow | normal | status | 0 | — | 
Grimer can not have any move tutor moves.
| TM | Move | Type | Category | Power | Accuracy | 
|---|---|---|---|---|---|
| 11 | Sunny Day | fire | status | 0 | — | 
| 12 | Taunt | dark | status | 0 | 100 | 
| 17 | Protect | normal | status | 0 | — | 
| 18 | Rain Dance | water | status | 0 | — | 
| 19 | Giga Drain | grass | special | 75 | 100 | 
| 24 | Thunderbolt | electric | special | 90 | 100 | 
| 25 | Thunder | electric | special | 110 | 70 | 
| 28 | Dig | ground | physical | 80 | 100 | 
| 30 | Shadow Ball | ghost | special | 80 | 100 | 
| 32 | Double Team | normal | status | 0 | — | 
| 34 | Shock Wave | electric | special | 60 | — | 
| 35 | Flamethrower | fire | special | 90 | 100 | 
| 36 | Sludge Bomb | poison | special | 90 | 100 | 
| 38 | Fire Blast | fire | special | 110 | 85 | 
| 39 | Rock Tomb | rock | physical | 60 | 95 | 
| 41 | Torment | dark | status | 0 | 100 | 
| 42 | Facade | normal | physical | 70 | 100 | 
| 44 | Rest | psychic | status | 0 | — | 
| 45 | Attract | normal | status | 0 | 100 | 
| 46 | Thief | dark | physical | 60 | 100 | 
| 56 | Fling | dark | physical | 0 | 100 | 
| 58 | Endure | normal | status | 0 | — | 
| 64 | Explosion | normal | physical | 250 | 100 | 
| 66 | Payback | dark | physical | 50 | 100 | 
| 80 | Rock Slide | rock | physical | 75 | 90 | 
| 82 | Sleep Talk | normal | status | 0 | — | 
| 84 | Poison Jab | poison | physical | 80 | 100 | 
| 87 | Swagger | normal | status | 0 | 85 | 
| 90 | Substitute | normal | status | 0 | — | 
| 96 | Strength | normal | physical | 80 | 100 | 
Grimer can not get any moves from trs.
| English | Grimer | 
|---|---|
| Spanish | Grimer | 
| Italian | Grimer | 
| Japanese | ベトベター (Betbeter) | 
| German | Sleima | 
| French | Tadmorv | 
| Red Blue | Pokémon Mansion | 
|---|---|
| Yellow | Power Plant, Pokémon Mansion | 
| Gold Silver Crystal | Route 16, Route 17, Route 18, Celadon City | 
| Ruby Sapphire | Fiery Path | 
| FireRed LeafGreen | Celadon City, Pokémon Mansion | 
| Emerald | Fiery Path | 
| Diamond Pearl Platinum | Route 212 | 
| HeartGold SoulSilver | Route 16, Route 17, Route 18, Celadon City | 
| Black White | Trade/migrate from another game | 
| Black 2 White 2 | Castelia Sewers | 
| X Y | Trade/migrate from another game | 
| Omega Ruby Alpha Sapphire | Fiery Path | 
| Sun Moon Ultra Sun Ultra Moon | Route 1, Hau'oli City, Malie City | 
| Let's Go Pikachu | Cinnabar Island, Power Plant, Pokémon Mansion | 
| Let's Go Eevee | Trade/migrate from another game | 
| Sword Shield | Not available in this game | 
| Brilliant Diamond Shining Pearl | Route 212, Swampy Cave, Dazzling Cave, Stargleam Cavern, Bogsunk Cavern |