List of Pokémon forms by release date/2018

January
Kyogre was released as a Raid Boss.

Regular (1) =

January
Release of Hoenn-region Desert-themed Pokémon. Shiny Aron was released. Hoenn Gold medal became achievable for the first time.

Regular (23) =

Shiny (3)= PS Aron PS Lairon PS Aggron

February
Release of Hoenn-region Sky-themed Pokémon including 4 forms of Castform at the start of Hoenn Celebration 2018. Shiny Swablu was released. Rayquaza was released as a Raid Boss.

Regular (23) =

Shiny (2)= PS Swablu PS Altaria

February
Shiny Luvdisc was released at the start of Valentine's Day 2018.

Shiny (1) = PS Luvdisc

February
Shiny Poochyena was released at the start of Lunar New Year 2018.

Shiny (2) = PS Poochyena PS Mightyena

February
Shiny Dratini was released at the start of the second Community Day.

Shiny (3) = PS Dratini PS Dragonair PS Dragonite

March
Shiny Lugia was released with its second release as the first Shiny Legendary Pokémon available in the game.

Shiny (1) = PS Lugia

March
Shiny Togepi, Magby and Wynaut were released at the start of Eggstravaganza 2018.

Shiny (6) = PS Magmar PS Togepi PS Togetic PS Wobbuffet PS Magby PS Wynaut

March
Shiny Bulbasaur was released at the start of the third Community Day.

Shiny (3) = PS Bulbasaur PS Ivysaur PS Venusaur

March
Mew was released through A Mythical Discovery Special Research. All Kanto-region Pokémon species were released, becoming the first region to be possible to complete the Pokédex.

Regular (1) =

March
Shiny Murkrow was released at the start of April Fools' Day.

Shiny (1) = PS Murkrow

April
Latias and Latios were released as Raid Bosses.

Regular (2) =

April
Shiny Mareep was released at the start of the fourth Community Day.

Shiny (3) = PS Mareep PS Flaaffy PS Ampharos

April
Shiny Wailmer was released at the start of Earth Day 2018.

Shiny (2) = PS Wailmer PS Wailord

May
Shiny Makuhita and Meditite were released at the start of Battle Showdown 2018.

Shiny (4) = PS Makuhita PS Hariyama PS Meditite PS Medicham

May
Shiny Charmander was released at the start of the fifth Community Day. Shiny Ho-Oh was released with its second release.

Shiny (4) = PS Charmander PS Charmeleon PS Charizard PS Ho-Oh

May
Shiny Omanyte, Kabuto and Aerodactyl were released at the start of Adventure Week 2018.

Shiny (5) = PS Omanyte PS Omastar PS Kabuto PS Kabutops PS Aerodactyl

May
Alolan Exeggutor was released at the start of the Alolan Exeggutor Event. Alolan-region forms became available rising up Kanto-region Pokédex to 169 distinct forms.

Regular (1) =

June
Shiny Shellder and Kyogre were released at the start of Water Festival 2018.

Shiny (3) = PS Shellder PS Cloyster PS Kyogre

June
Exclamation mark Unown was released at the start of E3 2018.

Regular (1) =

June
Shiny Larvitar was released at the start of the sixth Community Day.

Shiny (3) = PS Larvitar PS Pupitar PS Tyranitar

June
Regice was released as a Raid Boss. Alolan forms of Sandshrew, Vulpix, Meowth, and Grimer were released along with the Friends mechanic.

Regular (9) =

June
Alolan Rattata was released in the wild.

Regular (2) =

June
Shiny Roselia was released at the start of Pokémon GO Safari Zone Dortmund.

Shiny (1) = PS Roselia

July
Shiny Articuno was released at the start of Articuno Day.

Shiny (1) = PS Articuno

July
Shiny Squirtle was released at the start of the seventh Community Day.

Shiny (3) = PS Squirtle PS Wartortle PS Blastoise

July
Alolan forms of Diglett and Geodude, and shiny Plusle and Minun were released at the start of Pokémon GO Fest 2018. Question mark Unown and Celebi were released for attendees. All Unown forms were released.

Regular (7) =

Shiny (2) = PS Plusle PS Minun

July
Registeel was released as a Raid Boss. Alolan forms of Raichu and Marowak were released as Raid Bosses. All Alolan variants were released.

Regular (3) =

July
Shiny Zapdos was released at the start of Zapdos Day.

Shiny (1) = PS Zapdos

August
Spinda pattern 8 was released along with the change of Field Research. Shiny Snubbull and Houndour were released.

Regular (1) =

Shiny (4)= PS Snubbull PS Granbull PS Houndour PS Houndoom

August
Shiny Eevee was released at the start of the eighth Community Day.

Shiny (6) = PS Eevee PS Vaporeon PS Jolteon PS Flareon PS Espeon PS Umbreon

August
Regirock was released as a Raid Boss.

Regular (1) =

August
Shiny Natu, Sunkern and Pineco were released at the start of Johto Festival.

Shiny (6) = PS Natu PS Xatu PS Sunkern PS Sunflora PS Pineco PS Forretress

August
Shiny Wingull was released at the start of Pokémon GO Safari Zone Yokosuka.

Shiny (2) = PS Wingull PS Pelipper

September
Spinda pattern 3 of was released along with the change of Field Research. Shiny Growlithe was released.

Regular (1) =

Shiny (2)= PS Growlithe PS Arcanine

September
Shiny Moltres was released at the start of Moltres Day.

Shiny (1) = PS Moltres

September
Shiny Geodude and Grimer were released at the start of Ultra Bonus Event 2018.

Shiny (5)= PS Geodude PS Graveler PS Golem PS Grimer PS Muk

September
Shiny Chikorita was released at the start of the ninth Community Day.

Shiny (3)= PS Chikorita PS Bayleef PS Meganium

October
Spinda pattern 1 was released along with the change of Field Research. Shiny Krabby was released. Deoxys was released as a Raid Boss in EX Raid Battles.

Regular (2) =

Shiny (2)= PS Krabby PS Kingler

October
Shiny Drowzee was released at the start of Psychic Spectacular 2018.

Shiny (2) = PS Drowzee PS Hypno

October
Shiny Nidoran♀ was released at the start of Female Day.

Shiny (3) = PS Nidoran♀ PS Nidorina PS Nidoqueen

October
Main release of Sinnoh-region. Shiny Shinx was released. Sinnoh-region Pokédex introduced 107 new Pokémon species and 138 distinct forms. Sinnoh Bronze medal became achievable for the first time.

Regular (26) =

Shiny (3)= PS Shinx PS Luxio PS Luxray

October
Shiny Beldum was released at the start of the tenth Community Day.

Shiny (3) = PS Beldum PS Metang PS Metagross

October
Spiritomb was released through A Spooky Message Special Research. Giratina was released on Halloween 2018. Stunky and shiny Drifloon were released. Sinnoh Silver medal became achievable for the first time.

Regular (6) =

Shiny (2)= PS Drifloon PS Drifblim

November
Spinda pattern 7 was released along with the change of Field Research. Nincada family was released in Field Research and Research Breakthrough. Shiny Caterpie was released. Shiny Pinsir was released at the start of Pokémon GO Safari Zone Tainan.

Regular (4) =

Shiny (4)= PS Caterpie PS Metapod PS Butterfree PS Pinsir

November
Shiny Gengar was released at the start of Special Raid Challenge. Shiny Gastly was available in wild after the event.

Shiny (3) = PS Gastly PS Haunter PS Gengar

November
Shiny Ponyta, Cubone and Alolan Marowak were released at the start of Ingress Prime Celebration.

Shiny (5)= PS Ponyta PS Rapidash PS Cubone PS Marowak PS Marowak

November
Budew and Buizel were released, including the shiny form of Budew.

Regular (3) =

Shiny (1)= PS Budew

November
Shiny Cyndaquil was released at the start of the eleventh Community Day.

Shiny (3)= PS Cyndaquil PS Quilava PS Typhlosion

November
Cross-generation release of Sinnoh-region at the start of Hatchathon 2018. Shiny Elekid was released. Meltan was released along with Mystery Box in preparation for the release of Pokémon Let's Go Pikachu and Let's Go Eevee.

Regular (13)=

Shiny (8)= PS Electabuzz PS Elekid PS Roserade PS Honchkrow PS Electivire PS Magmortar PS Togekiss PS Dusknoir

November
Shiny Magnemite was released at the start of the Let's Go Celebration.

Shiny (2)= PS Magnemite PS Magneton

November
Cresselia was released as a Raid Boss.

Regular (1) =

November
Shiny Alolan Raichu was released at the start of the second weekend of Let's Go Celebration.

Shiny (1)= PS Raichu

December
Spinda pattern 6 was released along with the change of Field Research. Shiny Misdreavus was released.

Regular (1) =

Shiny (2)= PS Misdreavus PS Mismagius

December
Shiny Sandshrew was released at the start of Tottori Festival.

Shiny (2)= PS Sandshrew PS Sandslash

December
Heatran was released as a Raid Boss. Several Sinnoh-region Pokémon were released at the start of Holiday 2018. Shiny Delibird and Azurill were released.

Regular (14)=

Shiny (4)= PS Marill PS Azumarill PS Delibird PS Azurill

December
Deoxys Attack Forme was released as a Raid Boss in EX Raid Battles.

Regular (1) =