You have to have a special Regigigas from an event.
you cannot catch any regis in platinum you have to migrate them or trade for them but if you get regirock, regice, and registeel on platinum then you will be able to catch regigagas at level1 in the snow temple
You need relicanth and wailord to catch the regis in sapphire/ruby/emerald. You cannot catch the three regis in platinum unless you have the event Regigigas (this event has now ended). If you have the special regigigas in your party, three new caves will open up in Sinnoh and you will be able to catch the three regis.
you can't- make Pokemon migrate from Pokemon ruby/sapphire/emerald or trade from diamond and pearl or platinum.
Yes. it does allow you to catch a lv.1 regigigas
Yes.
No; you cannot catch the three Regis in Platinum, UNLESS you have obtained a special Regigigas through some special events.
you go to pal park and download them into platinum, diamond, or pearel.
You can get regigigas by either trading it from the event before the release of platinum, or migrate the regis from ruby/sapphire/emerald, then go to the cave in snowpoint city, and catch it while you have all 3 of the regis in your party.
You have to migrate from EMRALD SAPHIRE OR RUBY on to Platinum :)
how do you catch a mewtwo on Pokemon platinum
you cannot catch the 3 regi's in Pokemon platinum you have to catch them in Pokemon emerald then transfer them to Pokemon platinum. thnx
No. You can only catch the 3 regis, (regice, regirock, and registeel) and then in Diamond, Pearl, and Platinum if you migrate the 3 regis to your account you can get regigigas at the bottom of the snowpoint temple.