If you want more characters in the game then complete one of the following optional tasks to unlock the corrsponding character.
Unlock Captain Falcon:
- Complete Classic mode in under 20 minutes and then in the following match defeat Captain Falcon.
- Play 70 VS. Mode matches.
Unlock Falco:
- Complete the 100-Man Brawl.
- Play 50 VS. Mode matches.
Unlock Ganondorf:
- Using Link or Zelda complete Classic mode on the Hard difficulty setting.
- Play 200 VS. Mode matches.
Unlock Jigglypuff:
- Using any character except Ike complete Classic mode.
- Complete Event Match #20.
- Play 350 VS. Mode matches.
Unlock Lucario:
- Complete ALL the Target Tests with either one or two players.
- using Meta Knight defeat Lucario in the Subspace Emissary (Adventure mode).
- Play 100 VS. Mode matches.
Unlock Luigi:
- On the Easy difficulty setting complete Classic mode.
- Defeat Luigi in the Subspace Emissary (Adventure mode).
- Play 22 VS. Mode matches.
Unlock Marth:
- Complete Classic mode.
- Defeat Marth in the Subspace Emissary (Adventure mode).
- Play 10 Brawls.
Unlock Mr. Game & Watch:
- Complete Classic mode with ALL the characters.
- Play 250 VS. Mode matches.
Unlock Ness:
- Reflect 10 projectiles.
- Defeat Ness in the Subspace Emissary (Adventure mode).
- Play 5 VS. Mode matches.
Unlock R.O.B. The Robot:
- Collect 250 different trophies.
- Get R.O.B. To join your party in the Subspace Emissary (Adventure mode).
- Play 160 VS. Mode matches.
Unlock Snake:
- Play 15 matches on Shadow Moses Island.
- Play 130 VS. Mode matches.
Unlock Sonic:
- Complete the Subspace Emissary (Adventure mode).
- Play 300 VS. Mode matches.
Unlock Toon Link:
- Using Link complete Cassic mode.
- Play 400 VS. Mode matches.
Unlock Wolf O'Donnell:
- Complete the Subspace Emissary (Adventure mode) and then complete Boss Battle mode with Fox.
- Defeat Wolf at the ruins when you have comleted the Subspace Emissary (Adventure mode).
- Play 450 VS. Mode matches and then defeat Wolf after he challenges you.