: Every Pokémon through Generation 4 is obtainable within the game. You receive the National Dex immediately upon getting your Pokédex to help track these new encounters.
: Located in the Ilex Forest hollow tree with an Odd Keystone. : Found in the Old Amber building, Pewter City Evolution & Item Changes Trade Evolutions
As the level caps rise, exploring branching paths and utilizing upgraded fishing rods opens up elite encounters. : Every Pokémon through Generation 4 is obtainable
Every single Pokémon from Generations 1 through 4 is obtainable within a single save file. Pre-Elite Four Access:
Chosen from Professor Elm at the start.
In the base games, players are locked into a single starter choice. Sacred Gold and Storm Silver lift this restriction, distributing all as guaranteed gift events throughout Johto.
Requires the GS Ball (obtained later), but the forest itself features rare Grass and Bug types. : Found in the Old Amber building, Pewter
While most Pokémon are available in both, some retain their version exclusivity to encourage trading or distinct playthroughs.