I'm pretty sure you can't get them all in that game. I think you have to trade some of them over.
Chat with our AI personalities
by traveling by walking not flying
There is no Kecleon on Route 210.
the Pokemon breeder in route 210
in sinnoh 210
you have to get the national dex when you see all 150 Pokemon orif you play platinum you will have to see all 210 Pokemon