What level does Jigglypuff evolve?

Answer 1

Jigglypuff evolves into Wigglytuff using a Moon Stone. (Igglybuff evolves into Jigglypuff when leveled up with high friendship.)

Jigglypuff is #39 in the National Pokedex, and was introduced in the Generation I Pokemon titles (Red, Blue, and Yellow) where it could be found in Red and Blue on Route 3 and in Yellow on Routes 5-8. In Generation VI (X and Y), it can be caught on Route 20 and in the Pokemon Village.

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Jigglypuff is one of the few Pokemon who evolve by using a Moon Stone. By using a Moon Stone on a Jigglypuff of any level, you can evolve it into a Wigglytuff.

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In Diamond, Pearl, and Platinum you can get tons of Moon Stones underground. (I get like 6 every time I go down there!)