you need wonder codes. if you want them all you have to do is go to you tube and look up Pokemon Mystery Dungeon codes
wonder mail
you can only do it by online wondermail genarator
Anything really - continue with missions, recruit legendaries.
You have to get the wonder mails via password. The passwords are available at GameWinners.
They can be battled again if u haven't recruited them and u can also get the treasures again.
You get the places after you rescue the Pokemon frostlass froze on blizzard island and getting the secret rank, then on random days the Pokemon that give you the jobs will give you jobs that tell you to get the seven treasures, one at each place. (mt. avalanche (20 floors), giant volcano (20 floors), mystery jungle (30 floors), bottomless sea (50 floors),shimmer dessert ( 40 floors), world abyss ((50 floors),and sky stairway. (50 floors ) then search "what to do after the seven treasures on Pokemon mystery dungeon.
the treasures increase chance of getting recruits (like the rock horn increases chance of recruiting rock types
No. You can find the list of the Seven Treasures and where they are here: http://bulbapedia.bulbagarden.net/wiki/Seven_Treasures
The Seven Treasurer aren't dungeons but items given to the player after they defeat the bosses in seven secret Wonder Mail dungeons.
You have 2 fight heatran,arceus,articuno,groundoun,rayquaza,kyorge darkrao and your dad
By Sailing the Seven Seasno actually you need the wonder mail codes if you need them go to Pokemon dungeon king.com and the codes will be there in the seven treasures
The Seven Treasures are: The Aqua-monica in bottomless sea, The Fiery Drum in the giant volcano, The Grass cornet in Mystery Jungle, The Icy Flute on Mt.Avalanche, The Rock Horn in World Abyss, The Sky Melodica in the Sky Stairway, and the Terre Cymbal in Shimmer Desert.