How to unlock everything.
Game Modes
Boss Battle Mode- Complete The Subspace Emisionary Mode.
Unlock all Characters
Complete one of the following to unlock each character.
Captain Falcon: Successfully complete Classic mode in under twenty minutes, then defeat Captain Falcon in the bonus match. Alternately, play 70 VS. mode matches.
Falco: Successfully complete the 100-man Brawl. Alternately, play 50 VS. mode matches.
Ganondorf: Successfully complete Classic mode on the Hard difficulty with Link or Zelda. Alternately, play 200 VS. mode matches.
Jigglypuff: Successfully complete Classic mode with any character except Ike. Alternately, successfully complete Event Match #20 or play 350 VS. mode matches.
Lucario: Defeat Lucario in the Subspace Emissary (Adventure mode) with Meta Knight. Alternately, successfully complete five Target Tests or play 100 VS. mode matches.
Luigi: Successfully complete Classic mode on the Easy difficulty. Alternately, play 22 VS. mode matches or defeat Luigi in the Subspace Emissary (Adventure mode).
Marth: Successfully complete Classic mode. Alternately, play 10 Brawls or defeat Marth in the Subspace Emissary (Adventure mode).
Mr. Game & Watch: Successfully complete Classic mode with all characters. Alternately, play 250 VS. mode matches.
Ness: Play 5 VS. mode matches. Alternately, reflect ten projectiles or defeat Ness in the Subspace Emissary (Adventure mode).
R.O.B. the robot: Play 160 VS. mode matches.
Snake: Play fifteen matches on Shadow Moses Island. Alternately, play 130 VS. mode matches.
Sonic: Successfully complete the Subspace Emissary (Adventure mode). Alternately, play 300 VS. mode matches.
Toon Link: Successfully complete Cassic mode with Link. Alternately, play 400 VS. mode matches.
Wolf O'Donnell: Successfully complete the Subspace Emissary (Adventure mode), then complete Boss Battle mode with Fox. Defeat Wolf after he challenges you to unlock him. Alternately, play 450 VS. mode matches, then defeat Wolf after he challenges you. Another method is to complete the Subspace Emissary, then go to the ruins to encounter and defeat Wolf.
Stage Builder Parts
Parts A
Parts B
Parts C