you can unlock the chimecho assembly after you save azurill at mt bristle
The last answer is wrong. At the beginning of chapter 5, after chatot talks to you, go up the little vine-thing. There chimecho will tell you that chimecho assembly is opene! Yay!
Open them again!
go to xatu to appraise
You press b or x and go down to items
They don't open dungeons, they open locked rooms within dungeons. Certain unique items can be found, like the Silk items, and treasure items for Legendary pokemon.
You can't download blue, but you can download red. Just find a roms site that has "Pokemon msytery dungeon red" and download it and open it like any other game.
after Befriending Lugia Meteor cave will open up.
To unlock the Sky Stairway dungeon in Pokemon Mystery Dungeon: Explorers of Darkness, you must first recruit Uxie, Azelf, and Mesprit. After recruiting them, a new dungeon called Spacial Rift will open up. Complete Spacial Rift and then Sky Stairway will be unlocked. Good luck!
with a key. you can buy one at the kecleon store for 8000 poke in treasuse town.
Solar Cave. You might need a key to open the box. You can find a link cable inside.
It's right in front of your face when you turn the game on. If you want to access it but are in a dungeon, you have to save, turn the game off, and turn it back on again.
sometimes in dungeons you will find a door if you have a key you can open it the door sometimes the door opens to a rare Pokemon that can be recruited or a rare item