get all the characters
Get marth and beat classic mode with him
Go on Single Player mode and you will see Event Matches mode.
you have to do all star mode without continuing
You can get it in the lottery, in Classic mode's bonus stages, and in any stage on Adventure mode.
All-Star mode is unlocked by unlocking every playable character.
Unlock marth then use him to beat classic mode.
You fight all the characters.to unlock all star mode you must unlock mr.game&watch.
after you unlock all the 35 characters play the allstar mode and you can unlock birdo trophy by clear it on hard mode
Play as Marth on classic mode (no continues) or play 900 vs matches.
you need to beat sonic in green hill zone in brawl mode
On Melee mode when your on the character selection screen put your cursor near free for all then press A now you will be in team battle mode.
You really can't unlock Toad in SSBM. But you can be peach and use her B move and she will pull Toad out. And on adventure mode where you fight the Yoshi's Toad is running around in the background and by the flag there is a toad there too.