you need a gameboy advance and a GBA-GCN Link cable to connect and transfer.
Sonic Adenture 2 is the original game for the Dreamcast and Sonic Adventure 2 Battle is a remake for the Gamecube. Sonic Adventure 2 Battle has better graphics, chao karate class, chao activities and chao shops.
Sonic adventure battle 2
Yes there are chaos in sonic adventure 2 battle
Gold chao can only be found in sonic advance for the gameboy advance. Then you put it on sonic adventure battle
Sonic Adventure Battle (DC/GC) and Sonic Adventure Battle 2 (DC/GC)
No
There is no chao island. sorry.
No the chao gets sonic hair.
You Can In Sonic Adventure 2 Battle. I Think you can in DX.
Get a Gameboy and Gamecube hook up link cable. You can get one from gamestop for example. A link to gamestop's link cable is in the related links. Go to the thing you can put Chao in and choose "Transfer Chao". Make sure you are in the Chao Garden in Sonic Adventure.
Yes.
You don't.