Yes but it is actually a hack go to YouTube and type it in you will find what you are looking for
Not in Sonic's Story, but if you finish all of the storys, you get a new story to finish called 'Supersonic Story" where you fight Perfect Chaos, the strongest form of the evil creature in Sonic Adventure DX called Chaos.
finish all action stages and mission and trails.i am not sure...and have good luck
You can't play as Silver in Sonic Adventure or Dx, Silver wasn't thought of until Sonic the Hedgehog 2006, Play Sonic the Hedgehog 2006 to play as Silver.
yes
They are near the master emerald shrine.
Clear every character's story and you will unlock the Supersonic story. Excited? Now just complete this story.
she is not playable
Buy it or dowload it ! It's not hard!
No but you can if you hack or play the dreamcast sonic advenure Dx
No, but you can in the 2P Battle mode in Sonic Adventure 2 (BATTLE version only.)
I'm sorry but no. The dx version maybe.The dx version can be found at play n trade.
with gamma you can find a skunk on the level hot shelter