I checked and you can!
One way is to get all possible Pokemon in Pokemon platinum and migrate all the remaining Pokemon from another region. Another way is to use cheat like an action replay
Cheat, trade, migrate, catch
There is currently 649 pokemon in all
I think , all of the legendary pokemons.
Can't be found, migrate from a GBA pack version of Pokemon or trade from diamond or pearl version.
You have to trade at the GTS
you cant get all the pokemons, the only way to get them is to trade or hack
to get all the Pokemon you can either trade with friends alot, or get cheatcodes to fill your dex
First of all pokebay is a website where you trade Pokemon with other people and send messages to them. To trade pokemons you need to have a Pokemon game on Nintendo DS. Once you catch them you put them on your pokebay and you can trade pokemons with other people.
migrate and trade
trade or migrate them daaa
you can't trade at all. you have to migrate your Pokemon at pal park
One way is to get all possible Pokemon in Pokemon platinum and migrate all the remaining Pokemon from another region. Another way is to use cheat like an action replay
you have to connect a cable, an then go where they cure your pokemons, and go to the upper floor and talk to the lady there and.... all set! :]
You travel all over Sinnoh and then trade and/or migrate from other Pokemon
Migrate, trade, or catch them all from all versions of the game.
Cheat, trade, migrate, catch