Pokémon Go Unova Celebration event guide: Field Research and rewards - Polygon

From Jan. 5 until Jan. 10, Pokémon Go is hosting an Unova event that increases the spawn rate of the Pokémon from that region, as well as introducing Shiny Snivy.

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Unova Celebration Event

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Unova Celebration Event

Pokémon Go December Field Research tasks and their rewards explained