????Pokemon Ranger is a separate game
You have to transfer it from Ranger.
There is no 'platnium', but you can find it on wild pokemon.
No, it's soul silver exclusive.
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No, you'll have to trade it from Platnium. Which in Platnium you find it in the Rock Peak Ruins.
You got to go to iron island and at the end of it you find it
in girantinas cave
in the trophey garden
Honey Trees
you can find one with a traner on 216
You can't find Registeel in Pokemon Platnium. You just migrate it in Pokemon Ruby, Pokemon Sapphire, and Pokemon Emerald.
go to the suburban route on the pokewalker.