Unown

Unown is a Psychic-type Pokémon from the Johto region. It does not evolve into or from any other Pokémon. It has twenty eight different forms. Unown is the rarest Pokémon in the game.

Forms
Unown has twenty eight different forms, being the difference only visual. Each of these forms resembles letter of Latin alphabet with addition of exclamation (!) and question (?) marks. Unown Pokédex entry has custom form switches. Regular=

Shiny= PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) PS Unown (n) Pokédex switch=

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Availability

 * Initially, only the first 26 unique forms of Unown were available in Pokémon GO, one for each letter of the alphabet.
 * Exclamation mark Unown was released during E3 in June 2018.
 * Question mark Unown was released during Pokémon GO Fest 2018 in August 2018.
 * Shiny Unown is only available during events.
 * The first shiny Unown, G and O, were released during Pokémon GO Fest 2020.
 * Shiny Unown A, L, R, T and U were released during Enigma Week.
 * Shiny Unown C was released during Pokémon GO City Spotlight.
 * Shiny Unown F was released during Pokémon GO Fest 2021.
 * Shiny Unown J was released during Pokémon GO Tour: Johto.
 * Shiny Unown E, I, S, V were released during Pokémon GO Safari Zone Seville.
 * Shiny Unown B was released during Pokémon GO Fest 2022.
 * Shiny Unown E, I, S, V were released during Pokémon GO Safari Zone Seville.
 * Shiny Unown B was released during Pokémon GO Fest 2022.

Global Unown events
These following events featured Unown globally giving Trainers all around the world a chance to capture this extremely rare Pokémon.

Regional Unown events
In general, Unown is extremely rare all around the world, but there are certain regional events, such as Pokémon GO Safari Zone, during which spawnrate of certain Unown forms were higher. These more often spawning forms of Unown spell a word related to the event. This happened already during following events:

Trivia

 * Considerably, Unown is the most highly prized possession in the game making it a huge stepping stone for players. It is because Unown often spawns in inaccessible areas, making it very hard to find. Only the most dedicated players would find this Pokémon aside from certain events in which it spawns more often.
 * Exclamation and question mark Unown forms are counted in unique Unown caught in medals, making it possible to obtain the gold medal without completing the alphabet.
 * Sprite of Unown N was updated on August, 2019, possibly making it less confusing with Unown Z.