You have to meet other people and take their flags in the Underground.
Chat with our AI personalities
You can only get the secret key in Pokemon Platinum
How do you move boulders in Pokemon:LEAF GREEN - FIRE RED - YELLOWTo move boulders you have to learn a HIDDEN MOVE (HM)called STRENGTH.You get this HIDDEN MOVE (HM) by giving the Warden in Fushia City hisGold Teeth back.You can find his teeth in the Safari Zone, close to the Secret House.The Warden lives at the east-side of Fushia in a house with a pond behind it.
You can't rotate items. They stay in the direction you get them in.
If you are referring to secret bases, then a WiFi connection is needed.
Pokemon league champion Cynthia will give it to you when you run into her at lake valor(near pastoria and sunyshore)