New Pokémon have always been introduced in every generation so as to make the games interesting for the players. New Pokémon designs, battle styles, evolution forms, and stories have been created to attract fans to the game. This is the reason why there are more Pokémon in the series with every new generation of Pokémon. Most fans find it fun to discover new Pokémon and create teams from both the old Pokémon and the newly introduced Pokémon.