Happiness is a feature that allows certain Pokémon to evolve.
S N O R L A X
Pokemon that evolve with Happiness
| Base Form | Required Happiness | Evolved Form |
 Golbat |
 Level 3 Happiness |
 Crobat |
 Meowth (Alolan) |
Level 3 Happiness |
 Persian (Alolan) |
 Chansey |
Level 3 Happiness |
 Blissey |
 Eevee |
Level 3 Happiness |
 Umbreon |
| Eevee |
Level 3 Happiness |
 Espeon |
| Eevee |
 Level 4 Happiness |
 Sylveon |
 Pichu |
Level 3 Happiness |
 Pikachu |
 Pichu (Christmas) |
Level 3 Happiness |
 Pikachu (Christmas) |
| Pichu (Christmas) evolution is only available during certain events. | ||
 Cleffa |
Level 3 Happiness |
 Clefairy |
 Igglybuff |
Level 3 Happiness |
 Jigglypuff |
 Togepi |
Level 3 Happiness |
 Togetic |
 Azurill |
Level 3 Happiness |
 Marill |
 Budew |
Level 3 Happiness |
 Roselia |
 Buneary |
Level 3 Happiness |
 Lopunny |
 Chingling |
Level 3 Happiness |
 Chimecho |
 Munchlax |
Level 3 Happiness |
 Snorlax |
 Riolu |
Level 3 Happiness |
 Lucario |
 Woobat |
Level 3 Happiness |
 Swoobat |
 Swadloon |
Level 3 Happiness |
 Leavanny |
 Type-Null |
Level 3 Happiness |
 Silvally |
 Snom |
Level 3 Happiness |
 Frosmoth |