go thru aegis cave the first time then go back there and battle the regis. if you defeat a regi, it may join you.
migrate the regis from GBA Pokemon games then go to pal park and go to snowpoint temple.
There Was Event Where You Go To Toys R Us And Recieve A Level 100 Regigigas After That The Regis(Regirock,Regice,And Registeel) Can Be Caught In Pokemon Platinum.
get the three regis then go to tower at snow point and talk to the lady and she'll let you in ( make sure the regis are with you)
Regigigas is Pokemon #486 on Pokemon Platinum. To get it, go to the Snowpoint Temple with Regirock, Registeel, and Regice.
TO get the regis migrate the one you want with 5 other Pokemon to diamond (get the regis in Pokemon R/S/E) and go to pal park Go catch them with GS like balls with a catch rate the same as a master ball O_O
first you have to unlock the regis. then go to 120 and you will find it and registeel is inside
You don't need to go in any order.
You need to have all 3 regis and go to the snowpoint temple.
First get all other 266 Pokemon in the Browser then you will get a mission to go to hippodon temple. Catch the 3 Regis then go down a hole in the temple put the three regis on these things then you vs Regigigas
You'll be able to go inside Snowpoint Temple. Regigigas will be in there.
u cant caught the regis in Pokemon pearl if you want the regis migrate it from sapphire,ruby or emerald