Do one of the following:
● Beat Sonic after beating Classic mode with 10 different characters.
● Beat Sonic after playing in brawls for 10 hours. ( This is the easiest way, just leave the game on over night and battle him in the morning )
● Have Sonic join you in The Subspace Emissary.
● Beat Sonic after playing 300 brawls.
● Play the Subspace Emissary and get to the final boss in the game, Tabuu. you will have to beat Tabuu in order to unlock him.
Unlock Sonic
There is no shadow the only characters from sonic the hedgehog is sonic
Yes, he is.
You don't, however you can hack Sonic's texture to make him look like Silver.
at the end of subspace sonic will appear on the final boss kill the final boss to unlock sonic
Sonic Underground is an animated TV series. And no, you cannot unlock episodes, or characters other than Sonic, from Sonic Underground in Super Smash Bros Brawl.
In the cutscene before the final battle with Tabuu, Sonic will appear and shatter Tabuu's wings. Sonic can then be chosen as one of the characters to fight Tabuu, and then you've unlocked Sonic the Hedgehog!
If you're thinking of the Sonic Riders character, you cannot unlock him in Brawl.
After unlocking sonic either you can go to coin launcher or the subspace emissary to get the shadow trophy.
Complete Classic Mode with ten characters in brawl--Nobody
Well he isn't really a character but he is a assist trophy when you pick up the item you unlock him though by unlocking Sonic the Hedgehog first then shadow is unlocked by a assist trophy
Sonic the hedgehog