Koffing is part of a two-member family.
- Koffing was released with the game launch on July 6th, 2016.
- Shiny form of Koffing was released on Team GO Rocket Disruption on July 25th, 2019.
- Shadow form of Koffing was released with Jessie and James on July 9th, 2020.
- Since its release, shadow Koffing can be shiny.
|In wild since 2016 Jul 6
Increased spawns in:
Increased chance/Previously in:
|Tier 1 CP 4,099
Visit List of Raid Bosses changes for complete appearance
Defeat 2 Team GO Rocket Grunts: 2021 Feb
Defeat a Team GO Rocket Grunt: Rocket Take-Over 2019 Nov 24 & 2020 Mar 7
Power up Pokémon 3 times: 2018 Sep
Special Research/Timed Research:
Kanto Celebration Event - 2nd part: Catch 20 Pokémon
A Troubling Situation - 2nd part: Defeat 3 Team GO Rocket Grunts
- page, on the official Pokédex website
- article, on the Bulbapedia
- Koffing article, on the Pokémon Wiki