??? (type)

:For other uses of question marks in the Pokémon games, see Question marks.
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The ??? type (Japanese: ？？？タイプ ??? type) is a type that exists only in Generations , , and . It was removed in the Generation V games and has not returned since.
==Battle properties==
The ??? type is neutrally effective against all types, and all types are neutrally effective against it.
==In the games==
===Curse===
The move was given the ??? type when introduced in Generation II, likely because of its mysterious nature. It is so far the only move which completely differs in its use between Pokémon of different types. Its type was changed to the type in Generation V. 
 cannot be used to become ???-type: , the only move of this type, will be ignored by Conversion, such that if a Pokémon uses Conversion while the only other move it knows is Curse, Conversion will fail.
===Eggs===
Pokémon Eggs are displayed as being ???-type in Generation III on their status screen, to maintain the fact that the identity of the Pokémon inside is supposed to be unknown. This does not appear in Generation II, which uses a special status screen for Pokémon Eggs different from that of normal Pokémon, and was removed in Generation IV, when the section of a Pokémon's status screen that displays type was separated. From Generation IV on, Eggs are considered as Pokémon by the game.
===Unusable moves===
If a Shadow Pokémon has non-Shadow moves that it cannot use yet, they will be marked with ??? type.
===Arceus===
 has the Ability , which changes its type and appearance depending on the Plate it is holding. Likely as a precaution for Arceus hacked to be ???-type, a ???-type sprite of Arceus is present in ; however, it is never otherwise used without hacking.
In the event Arceus is hacked to be in this form, it will still be the type of the plate it is holding (or Normal-type if no plate) since the coloring of Arceus in each form is solely aesthetic, and the type is actually determined by Multitype. There is no way to make Arceus actually ???-type, and even when it's sent into battle it will revert to the appropriate form.
==In the spin-off games==
===Pokémon Mystery Dungeon===
The moves , , , and have the ??? type. 
While Excavate is an unobtainable status move and Vacuum-Cut deals fixed damage akin to , Wide Slash and Spin Slash are physical moves which follow standard damage calculations, although Spin Slash has a wider range than Wide Slash. Both damaging moves bypass and do not usually receive .
These moves did not appear from Pokémon Mystery Dungeon: Gates to Infinity onward.
==Other uses==
===Unrevealed types===
On official material, the ??? type can be used to denote a type that has not yet been revealed. Leading up to the release of Pokémon X and Y, 's type was listed as ??? on official material until its actual type was revealed to be .
==Icons==
 	 	 	 	 	 	
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==Retirement==
The ??? type is not present in the core series games from Generation V onward, as Eggs were changed in Generation IV to not display a type at all, and the only move which used the type, , was changed to be type.
==In other languages==
??? type only changes its name in Spanish.
==Related articles==
*Typeless
de:???
es:Tipo (?)
fr:Type inconnu
it:Sconosciuto
ja:???
zh:???（属性）