There is no such thing in the game.
final rush (hero side)
it's fake
There's no such thing.The black boxes are unbreakable,and there is absolutle NO upgrade to destroy the black boxes.
There is no Sonic Adventure 4 Battle, there is Sonic Adventure 2 Battle but that was released 8 years ago.
buy it in the black market
No as Sonic Advance 2 came out after Sonic Adventure 2 Battle and Sonic Adventure 2 Battle was only made to be compatible with Sonic Advance.
There is no such thing as Sonic Adventure Battle 1, nonetheless no Sonic Adventure is playable on Sonic Mega Collection.
Sonic adventure battle 2
there is sonic adventure 3
U have to buy it in the black market
Yes there is a sonic adventure 2 battle for the gamecube. I know because I have it~
Sonic Adventure Battle (DC/GC) and Sonic Adventure Battle 2 (DC/GC)