List of Special Research tasks

Legendary and Mythical Pokémon

 * A Mythical Discovery - Mew
 * A Ripple in Time - Celebi
 * Let's GO, Meltan - Meltan
 * A Thousand-Year Slumber - Jirachi
 * A Colossal Discovery - Ticketed Special Research, Regigigas
 * A Drive to Investigate - Ticketed Special Research, Genesect
 * Investigate a Mysterious Energy - Victini
 * Distracted by Something Shiny - Shiny Celebi
 * All-in-One - Ticketed Special Research, Shiny Mew

Team GO Rocket

 * A Troubling Situation - Introduction to Team GO Rocket and Shadow Pokémon
 * Looming in the Shadows - Team GO Rocket Leaders Research in November 2019
 * A Challenging Development - Team GO Rocket Leaders Research in December 2019
 * The Take-Over Continues - Team GO Rocket Leaders Research in January 2020
 * A Professor’s Work is Never Done - Team GO Rocket Leaders Research in February 2020
 * The Shadowy Threat Grows - Team GO Rocket Leaders Research in March and April 2020
 * An Inter-egg-sting Development - Team GO Rocket Leaders Research in late 2020

Community Day Researches

 * Celebrate 2019 - December 2019 Community Day, a bonus for the end of year
 * Investigating Illusions - Ticketed Special Research for Abra Community Day in April 2020
 * Seeing Double - Ticketed Special Research for Seedot Community Day in May 2020
 * A Hairy Situation - Unreleased Special Research for Weedle Community Day in June 2020
 * The Great Gastly - Ticketed Special Research for Gastly Community Day in July 2020
 * Making a Splash - Ticketed Special Research for Magikarp Community Day in August 2020
 * Decoding Porygon - Ticketed Special Research for Porygon Community Day in September 2020
 * A Tale of Tails - Ticketed Special Research for Charmander Community Day in October 2020
 * Electric for Electabuzz - Ticketed Special Research for Electabuzz Community Day in November 2020
 * No Match for Magmar - Ticketed Special Research for Magmar Community Day in November 2020
 * December Community Day - Ticketed Special Research for December 2020 Community Day
 * Straight to the Top, Machop! - Ticketed Special Research for Machop Community Day in January 2021
 * Stop and Smell the Roselia - Ticketed Special Research for Roselia Community Day in February 2021

Level related Researches

 * Level 43 Challenge - Research for Trainers reaching level 43
 * Level 45 Challenge - Research for Trainers reaching level 45
 * Level 48 Challenge - Research for Trainers reaching level 48
 * Level 50 Challenge - Research for Trainers reaching level 50

Miscellaneous global Researches

 * A Spooky Message - Halloween 2018 and 2019
 * A Spooky Message Unmasked - Halloween 2020
 * Jump-Start Research - 3rd Anniversary, reintroduced in the 4th Anniversary if not completed before
 * Throwback Challenge Champion 2020 - Genesect
 * Throwback Challenge Celebration 2020 - Additional Research
 * A Mega Discovery - Mega Beedrill, introduction to Mega Evolution
 * Tap... Tap... Tappity-Tap... - Ticketed Special Research for Galarian Mr. Mime Event
 * Pokémon GO Tour: Kanto Timed Research - Ticketed Special Research, Shiny Ditto

GO Fest Researches

 * GO Fest 2018 - Ticketed Special Research
 * GO Fest 2019 - Ticketed Special Research, three versions for each location of GO Fest
 * GO Fest 2020: Welcome! - Ticketed Special Research, since Day One of GO Fest 2020
 * GO Fest 2020: Rocket Straight to Victory - Ticketed Special Research, since Day Two of GO Fest 2020

Safari Zone Researches

 * Safari Zone Yokosuka - Ticketed Special Research
 * Safari Zone St. Louis 2020 - Ticketed Special Research
 * Safari Zone Liverpool 2020 - Ticketed Special Research
 * Safari Zone Philadelphia 2020 - Ticketed Special Research

Other regional Researches

 * City Spotlight 2020 - Ticketed Special Research