Pokémon Unused Dual Types
There are 18 single, elemental types in the Pokémon games, which translates to 171 unique dual-type combinations. While almost all of the possible dual-type combos have been used, some are still waiting to be assigned to a Pokémon! This page lists all the unused dual-type combinations.
The order of the types in a dual-type does not matter. For example, Psychic/ Fire, will have the same attributes as Fire/ Psychic.
Unused Dual Types
Used by Legendary Pokémon Only
Used by Alternate Forms Only
Used by Only One Pokémon (Or Its Evolutionary Line)
There are 51 unique dual-type combinations, which are exclusive to only one Pokémon, or its evolutionary line.