Sonic Adventure 2 for Dreamcast, or Sonic Adventure 2: Battle for Gamecube.
In Sonic Adventure, Perfect Chaos is the Chaos Creature when it has its tail and the 7 chaos emeralds.
Tikal, who appears in Sonic Adventure and Sonic Adventure 2, is a priestess for the Master Emerald and Chaos, the god of chaos. She seems to be related to Knuckles.
Yes there are chaos in sonic adventure 2 battle
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.
chaos is a blue blob. he was made by dr.eggman.chaos,s first appearance was sonic adventure for the dreamcast.
there are no crystals in sonic adventure 2 just chaos emeralds and master emerald pieces.
You Can In Sonic Adventure 2 Battle. I Think you can in DX.
he isn't
it was good play it
Chaos (from sonic adventure) Is the guardian of the chao.
yes! You have to beat jounny.
But you can't before it is