yes
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.
You have to finish the stories for all the other characters, then it comes up as a question mark in the character selection screen.
Can only play as Super Sonic in the final boss against Perfect Chaos.
Only for the gamecube.
"Sonic Adventure" was originally created for the Dreamcast, and is now available in the PlayStation Network and XBox Live. "Sonic Adventure DX" is an enhanced version of the original game for the Gamecube and Windows.
no but you can create it
you have to buy sonic adventure dx, sonic adventure 2 battle, or pantasy star online. sonic advenure dx and sonic 2 battle are for gamecube or you can play them on wii with a controller and a memory card and a gameboy cable.
i don't think there's a final boss mode in sonic adventure dx
you cannot
at the end you turn super sonic and kill chaos.
you can't the only super form of sonic is super sonic and if you really want dark SUPER sonic you have to cheat
It´s original for Dreamcast. But there was a remaka called Sonic Adventure DX for GameCube and PC.