Generation G20

 is a fictional generation of Pokémon games for the Nintendo 3DS, the true number of which is unknown. Like the previous generations, begins with Pokémon Iron and Amber Versions, the two main games of the generation, followed by Pokémon Mist Version.

Advances in gameplay

 * The addition of many new Pokémon.
 * A new type, Sound, is revealed. Many older Pokémon have been retyped to fit the Sound type.
 * Several new types of battles have been revealed: 3-Way Battles, All or Nothing Battles, Inverted Item Battles, and Star Battles.