It depends on how good you are. You only have to be a 3/10 player.
beat Melee with jigglypuff 3 times and then beat melee with Pikachu 2 times
beat 100 man melee
beat event match 29
You have to beat 15 minute melee. I started with it
Just do what the event tells you to do.
beat all the events
Beat classic mode with 13 characters then beat marth
Sonic is not available in Super Smash Bros. melee. Sonic is available in Super Smash Bros Brawl and can be unlocked in four ways: Beat Sonic after beating the Classic Mode with 10 different characters Play 300 matches in Brawl Play over 10 hours in Versus Mode Beat the "Subspace Emissary"
You just have to defeat all the enemies.
No body knows
luigi, just beat adventure mode
unlock marth then beat classic mode with marth beat roy.