you defeat all of the shadow characters and bosses
go though all shadow doors then do to the door that leads to tabu
That means that you have to trek all the way to the huge door part and go through them.
in thed subspace emisary theirs a secret door in the stage were you first meet falco enter that door and fight jigglypuff and if you win you get her as a character Or 350 matches in brawl
450 brawls, or go to Ruins after beating SSE and skip the first door on the way down the spikes
If you mean the ones in the Subspace Emmisary, you have to stand in front of the door and press up. Only player 1 can do this
By pressing up, or going up. You cannot do this if you aren't 1st player. You also may have to press the attack button.
The fastest way to get Wolf is to enter the hidden door in "The Ruins" area, after completing The Subspace Emissary.
It will only appear after beating the subspace emissary, after the first mini brawl keep going right until you find the door semi in mid air toon link will appear beat him to unlock him.
You get Jigglypuff after completing the Subspace Emissionary, and then afterwards redo "The Swamp" stage and a door should be visible near a barrel launcher. Enter the door to battle Jigglypuff.
.You can play 400 brawls .After clearing The Subspace Emissary, clear Classic mode. .After clearing The Subspace Emissary, enter the hidden door in The Forest.
play subspace emissary and go through every door there is. you fight every one and unlock them if you beat them. well not every one but you meet everyone in subspace.
After you beat the subspace emissary, you have to go back to the swamp and there is another door there for you somewhere go to the ruins to obtain wolf, after beating subspace emissary.