To get the armory key: once you light the fire and all the chandeliers, you will find a glass eye on the floor. It goes to the suffed tiger head. For the door at the far right, use the crowbar.
After you light all of the chandelers find a glass eyeball by a bookcase and put it in the lions eye and its mouth will open and the key will be inside.
It's in the castle library (first floor, right side) on the "nonfiction" lower aisle. When you have the library slip , click on McM on the shelf and it will unlock a staircase to the castle dungeon. To get the library slip, get the gold coin from the fountain and look in the stack of books next to the guy inside.
There are 4 separate "hatches" on the island :The dungeon stairway in the library (you need the Library Slip from the Museum)The underground laboratory (you need the key)The fountain plaque (use the Cosmic Symbols card, press all three and the Sun)The mill roof (unlock the gear inside, turn only counterclockwise)(see related question)
There is no cheat to unlock Starfish Island. You have to do the missions up to "Guardian Angels" to unlock the island.
They are inside a cave called Tanoby Key you can find the cave near a cooltrainer couple on Seven Island.
you must reach level 50 to unlock volcano island...
which island do you mean?
To Unlock the Unowns on Leafgreen or Firered go to Seven Island and proceed though the Sevault Canyon as you progress through you should see a cave entrance go inside and complete the boulder puzzle you will get see the screen shaking followed by a message. after that go to the ruins on the southernmost part of the island and simply wonder inside and you will encounter the unown
well first you have to unlock the Link Island. second you have to hire Gannon to make a bridge to Link Island. you need 3 sunstones to unlock the Link Island.
Once you unlock the gears (inside) and it actually moves, not very long at all. You have to spin it counter-clockwise, though.
flip the lock switch to unlock....
you unlock it same time u unlock 4 and 6.