migrate it from firered, or leafgreen
Okay: 1:It's PLATINUM not PLATNOM. 2:It's a Pokemon game that's an upgraded version of Pokemon pearl and diamond.
online? no
you don't
In Pokemon platnom the door opens magically when you catch the newest Pokemon CROWLEY caught at an event and when you go tho the door it should be open.
march 22
you need to have the national pokedex
Migrate one from leafgreen.
to get regirock in Pokemon platinum, you have to upload it from ruby, Sapphire, or emerald.
I think around lvl 20
you can only get him in ranger or cheat
water, ice, fire, and sometimes grass (depends on the pokemon)
use phycic pokemon. but make sure you use giratina if you have one.