For decades, Game Freak has introduced a plethora of new evolutions and forms for pre-existing Pokémon in new Pokémon games from new permanent evolutions to Mega Evolutions and even regional forms.

Andrea is an editor at GameRant, where she has been writing professionally about video games for nearly five years. She became a gamer for life at 8, thanks to a copy of Pokemon Red and her Game Boy.

Nintendo and GameFreak are adding new Pokémon to the PokéDex with every mainline entry to the series. How many are there in ...