if you mean from platinum to soul silver then yes you can trade the back and forth
You can't put a Pokemon in the pokewalker in Pokemon platinum, as the pokewalker was designed for only Pokemon Heartgold & Soulsilver.
no, these Pokemon are unknown in Pokemon platinum
You don't. Shadow Lugia is not available in Pokemon Platinum.
go on Google:Web type in Pokemon platinum. when you are on it, put your DS on, ask a parent to do this.
put in action replay in ds then when on that take out put platinum in
i can give you the code for Pokemon platinum it is CPUE-3811DEF6
no and there will never be
it's a game not a thing you can get (PS if you do get it you can take the code from the game when you get jirachi and you can put jirachi on Pokemon platinum) X24
Yes you most definitely can
go on the PC and type in the Pokemon platinum code then put in the cheats you want sorted hope this helps. woody jnr
No. But if you put Emerald and Platinum in the same DS you can migrate pokémon from Emerald to Platinum.
It is the same way as Pokemon diamond and pearl