Sinnoh Throwback Week 2020 Guide

Throwback Challenge 2020: Sinnoh is a special in-game event that celebrates Pokémon originally discovered in the Sinnoh region. The event lasts from Friday, May 22, 2020, at 1:00 p.m. to Friday, May 29, 2020, at 1:00 p.m. local time, and it’s a part of the greater Throwback Challenge 2020 Event. Sinnoh Throwback is the final event in the Throwback Challenge 2020 series of event and it lasts for a week.

Our Throwback Challenge Sinnoh Guide has all the information on Sinnoh themed raids and field research, special 7 KM eggs, increased wild spawns and the Special Research quest line that rewards Grass Knot Cresselia.

Without further ado, let’s dive in! You can use this table of contents to quickly navigate the guide:

Table of Contents

Event Bonuses

Star pieces, Incense, and Lucky Eggs will last one hour
Special Research line rewarding 10 Rare candy and a Cresselia that knows Grass Knot
Release of shiny Glameow

Shiny Glameow and shiny Purugly release

Shiny Glameow and Purugly will become available in Pokémon GO during the Sinnoh Throwback Challenge event. These Pokémon will be available after the event ends, but you have a better chance of getting them during the event:

Shiny Glameow	Shiny Purugly

Glameow	Purugly

Sinnoh Themed Field Research tasks

Sinnoh Challenge Themed Field Research tasks

As is tradition, a series of Field Research tasks are available, featuring select Sinnoh Pokémon:

Sinnoh Throwback Challenge Field Research
Task Text	Reward
Play with your buddy	Buneary
Earn a heart with your buddy	Croagunk
Catch 3 Normal-type Pokemon	Glameow
Catch 2 Pokemon	Turtwig
Give your buddy a treat	Piplup
Battle another trainer	Starly
Transfer 3 Pokemon	Chimchar

Sinnoh themed 7km Eggs

A large number of Sinnoh Pokémon are available in 7 KM eggs during this event, including the elusive Gible:

Sinnoh Throwback Challenge 7km Eggs
Cranidos	Shieldon	Gible
Glameow	Chingling	Bonsly
Happiny	Munchlax	Riolu
Mantyke

Out of these 10 Pokémon, Gible, Riolu, Cranidos and Shieldon would be the preferred hatch for us, but different Trainers will have different priorities.

Increased Wild Spawns

Pikachu is wearing a Lucario hat during the Sinnoh Throwback Challenge.

Increased spawns during the Sinnoh Throwback Challenge
Pikachu	Turtwig	Chimchar
Piplup	Cherubi	Croagunk
Glameow	Snover	Kricketot
Buneary	Cherrim

Sinnoh Themed Raid Bosses

Raid bosses have changed during the Sinnoh Throwback Challenge as well:

Tier 1
Turtwig	Piplup	Chimchar
Drifloon	Klink	Timburr
Tier 2
Cranidos	Combee	Lumineon
Mawile
Tier 3
Roserade	Bastiodon	Floatzel
Skuntank	Raichu (Alola)
Tier 4
Bronzong	Hippowdon	Drapion
Abomasnow	Absol
Tier 5
Terrakion