regigigas isn't one of the 150 pokemon. he only in the national dex and his number is 486.
no
You can't because regigigas is a 4th gen pokemon. If you want a regigigas then you will have to migrate Regice, registeel and regirock to Diamond, Platinum or pearl
To awaken Regigigas you need to migrate from Ruby/Sapphire/Emerald the three Regis.
No, you have to migrate it from Pokemon Emerald, Ruby or Sapphire. No, you have to migrate it from Pokemon Emerald, Ruby or Sapphire.
have Pokemon pearl and emerald both in the ds. it will say migrate from emerald on the Pokemon pearl screen. that`s all you need to know.
You can only catch it in Ruby, Sapphire or Emerald and migrate it over. If you get an event Regigigas on Pokemon Platinum you can catch Regice there.
You need to migrate it from Ruby/Sapphire/Emerald or have someone trade to you the event Regigigas that will unlock the other Regis.
No but you can migrate emerald Pokemon to heartgold
Red version was not made to migrate with emerald.
If You Migrated Your Pokemon Are Not in the game Anymore
Yes you can
no.