Unreleased Pokémon

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Unused content in the Pokémon games

Unused map locations | Early English promotional Pokémon names | Eternal Flower Floette | Bird type | Unused music | Unused encounter system (Yellow) | Unused Bulbasaur slot machine symbol | Unused Shadow Pokémon | Cacophony | Unused Japanese list strings (Generation I) | Unused items | Unused Pokémon data | Unused and redundant Egg moves

See also: S.S. Anne Ship Truck

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During the development of the Pokémon games, there were many Pokémon species that were planned but never released.

See also: Altered Pokémon

Generation I

See Bulbapedia article for more information on some of these

This article is outdated

Feel free to update it.

Reason given: Red and Green Beta Assets were leaked which included the backsprites of some cut Pokémon.

Capsule Monsters sketches

  • Oviparous creature
  • Godzillante
  • Gorillaimo
  • Dragon4
  • Buhi
  • Papyō
  • Kabīn


  • Kasanagi (evolution of Kokana, the original Weedle)
  • Kasanagi's evolution (early Kakuna)
  • Gorochu (Index No. 175; planned evolution of Raichu)
  • Index No. 134
  • Index No. 135
  • Kotora (Index No. 159; later reused for Generation II)
  • Raitora (Index No. 160; later reused for Generation II)
  • Deer (Index No. 56)
  • Crocky (Index No. 62)
  • Cactus (Index No. 67)
  • Jag (Index No. 68)
  • Unknown elephant (Index No. 61)
  • Gyaōn (Index No. 31)
  • Barunda (Index No. 50; possibly the round shaped potential 'balloon' Pokémon. The name is taken from the Pokémon votes in the Satoshi Tajiri: The Man Who Created Pokémon manga)
  • Mikon (Index No. 81; pre evolution of Vulpix later reused for Generation II)
  • Gyopin (Index No. 156: pre evolution of Goldeen later reused for Generation II)
  • Puchikōn (Index No. 162; pre evolution of Ponyta later reused for Generation II)
  • Kobat (Index No. 69; pre evolution of Zubat)
  • Zuduck (Index No. 128; middle evolution of Psyduck)
  • Guardia (Index No. 146; final evolution of Cubone)

Generation II

Nintendo Space World 1997 demo

The Nintendo Space World 1997 demos of Pokémon Gold and Silver allowed for the player to explore a very limited portion of Johto, with one of three randomly chosen starters, two of which were never released in the final game.

The two unreleased starters included Honooguma and Kurusu, while Chikorita (known as Happa in the demo) also appeared along with Meganium as the final evolution.

A few other Pokémon could be found in the wild, but these were usually only Pokémon that appeared (or were altered versions of those found) in the final game. Furthermore, none of the Pokémon obtained by the player could evolve even though evolved forms of the three starter Pokémon (including an unused second-stage for Chikorita known as Hanamogura, which was later replaced by Bayleef) exist in the code.

In 2018, a few Nintendo Space World 1997 demo builds (including both regular and debug builds) were leaked on the Internet. With respect for copyright, please do not post Pokémon/information from the alleged leak here (except for those that could be found normally in the demo without glitches or hacking), except the information that was intended to be known.

Generation III

  • Shellos (included later in Generation IV)
  • Gastrodon (included later in Generation IV)
  • Kaen (Torkoal pre evolution; replaced by Nosepass)
  • Black Stone Pokémon (No. 282; Dex entry files found) - May have inspired Roggenrola from Generation V, which is also a dark-colored Rock-type.
  • Foster Pokémon (No. 294; Dex entry files found)
  • Everlasting Summer Pokémon (No. 297; Dex entry files found)
  • Shrub Pokémon (No. 298; Dex entry files found)
  • Spirit Pokémon (No. 299; Dex entry files found) - This category is also used by Xatu & Flygon in Japanese media.
  • Imp Pokémon (No. 300; Dex entry files found) - Pokémon Sword & Shield would later introduce Impidimp, an Imp Pokémon (though its category doesn't correlate).
  • Peat Moss Pokémon (No. 301; Dex entry files found)
  • Hawk Pokémon (No. 316; Dex entry files found) - May have inspired Braviary from Generation V, which is also a bird of prey.
  • Flower Pokémon (No. 325; Dex entry files found) - Since this category has been used for multiple other Pokémon, such as Bellsprout & Bellossom, this could literally be anything.
  • Timbre Pokémon (No. 331; Dex entry files found) - Category name sounds like Timburr from Generation V.
  • Sightseeing Pokémon (No. 334; Dex entry files found)
  • Lottery Pokémon (No. 350; Dex entry files found)
  • Evolution of 350 (No. 351; Dex entry files not found) - An evolution was referenced in 350's Dex entry, though the method is unknown.
  • Rayquaza (Category is White Dragon Pokémon; No. 362; Dex entry files found) - Possibly just an early version of Rayquaza.
  • Archaeopteryx Pokémon (No. 374; Dex entry files found) - Pokémon Black & White would later introduce Archen and Archeops, a pair of Archaeopteryx Pokémon.
  • Dragonfly Pokémon (No. 382; Dex entry files found) - Possibly an early version of Yanmega, which implies that Azurill & Wynaut weren't the only evolutionary relatives intended to appear in Generation III.
  • Red Spider Lily Pokémon (No. 385; Dex entry files found) - a male only species (as implied by the entry) possibly based on the flower lycoris radiata, which is known as the red spider lily.

MicroGroup Game Review magazine

  • Unnamed Hitmontop like creature
  • Unnamed turtle

Unknown generation

  • Unnamed sheep (revealed in a magazine interview, based on a cloned sheep but not included for being 'too controversial')
  • Unnamed rabbit (Nintendo Life interview)


Data in final versions

Remnants of unused Pokémon have been found in the Pokémon games.

Generation I


The Missingno. occupy 39 index numbers in between the index numbers of valid Pokémon.

It is believed that the existence of the Missingno. (although having unintended glitch characteristics) may suggest Game Freak did (or intended to) work with additional Pokémon in Generation I, because Shigeki Morimoto is said to have confirmed (according to a Smogon thread by Zog) that 190 Pokémon were originally planned for Pokémon (with the rest being added later), and the value 151+39 equals 190.

Supporting this theory is the fact that nine Missingno. have special cries.

0x43's cry sounds identical to Zubat. 0x51's cry is comparable to Pidgey and Ditto.

Though speculation, 0x43 has been compared to Togepi, and 0xB5 has been compared to Crobat.

0x5E, 0x5F and 0x89's cries are comparable to the Dratini evolution line (note that there is an unused Pokémon design for a Pokémon that looks like Dragonair).

The cry data can be found in the table below, and can be listened to on the Pokémon Red and Blue TCRF article.

Index Number Hexadecimal Identifier Base Cry Cry Pitch Cry Length
67 0x43 0 128 16
69 0x45 29 224 128
79 0x4F 34 255 64
81 0x51 14 224 96
94 0x5E 15 64 192
95 0x5F 15 32 192
127 0x7F 17 32 16
137 0x89 15 64 128
181 0xB5 29 0 128

Generation III


Unused cries for two Pokémon were discovered in Generation III. These can be played as cries 266 and 269 in a leaked development version of German Pokémon Ruby known as "Debugging Version 0509A".

It is unknown whether these cries were intended to belong to Shellos and Gastrodon.

(In the May 2007 edition of the now defunct magazine Nintendo Power, Junichi Masuda commented that the development team were unable to put Shellos and Gastrodon in Pokémon Ruby and Sapphire but they were able to put them in Pokémon Diamond and Pearl.)

Generation IV

This section is incomplete, please feel free to add any missing information about the subject. It is missing: {{{1}}}.

Hidden within the code of Diamond and Pearl is an unused backsprite presumably belonging to Gastrodon, along with one for Shellos.

The Shellos backsprite is pink like West Sea Shellos, but has the 'wings' belonging to East Sea Shellos.

The unused Gastrodon backsprite looks like the final Gastrodon except it is missing the yellow stripes and 'flaps' on its head. Instead, its head has five bumps on it.

Additionally, the unused 'Gastrodon' backsprite has a different protrusion pattern on its back. There are three visible bumps on its sprite instead of the final backsprite two, and the three bumps have surfaces which are 'flattened out', unlike the final version which has rounder bumps.

Along with the backsprites for Shellos and Gastrodon, there are a multitude of other sprites, belonging to Treecko, Torchic, Mudkip, Ralts, Kirlia, Gardevoir, Turtwig, Chimchar, Piplup, and Manaphy.

A recent leak revealed early designs for several Generation IV Pokémon such as Grotle, Torterra, Prinplup, Empoleon, the entire Shinx line , a more feral-looking Cranidos line, the Combee line, the entire Gible line, the Hippopotas line, and others, as well as early back sprites and a very different Lickilicky back sprite.