Notable gameplay changes include split between Physical and Special split for moves. Instead of depending on type, moves now used either Attack or Special Attack depending on this classification.
Egg Pokémon now start at level 1 instead of 5.
There are also, gender differences in certain Pokémon such as Pikachu.
Trivia[]
Generation IV introduced the largest number of evolutions for Pokémon of previous generations, at 29.
Gym leaders and Elite Four of Sinnoh in Pokémon Diamond and Pearl do not always use Pokémon of their specialized type. Platinum expanded the Pokédex.
