Sonic Adventure 2 Unlockables

Pet the Chao frequently with Shadow then give it only Green Chao Drives until it has three points on the back of its head and a purple ball. When it evolves, it will have hair and green things also in its hair. If you are lucky, it will also have a green mark on it.

REMEMBER: For best results, have a Dark and Hero character take care of the Chao evenly to make it a Normal chao for the evolutionary paths. Have a Dark and Hero character give the Chao lots of Green animals until it becomes a Normal Chao. Now you can pick one character to take care of the Chao. After it first evolves, give it many Green Chao drives.

Get a gold Chao and give it only Green animals and Chaos Drives with Sonic. When it evolves, do the same thing. When it is an adult Chao, it should resemble Super Sonic. It does not float, but will glow.

REMEMBER: For best results, have a Dark and Hero character take care of the Chao evenly to make it a Normal chao for the evolutionary paths. Have a Dark and Hero character give the Chao lots of Red animals until it evolves. Now you can pick one character to take care of the Chao. After it first evolves, give it many Red Chao drives.

REMEMBER: For best results, have a Dark and Hero character take care of the Chao evenly to make it a Normal chao for the evolutionary paths. Have a Dark and Hero character give the Chao lots of Yellow animals until it becomes a Normal Chao. Now you can pick one character to take care of the Chao. After it first evolves give it many Yellow Chao drives.

Reincarnate a Chao twice. After its second reincarnation, give it every type of animal, including Imaginary and Ghost. Then, get a Chao Fruit and wait until evolution occurs.

Keep petting your Chao and eventually it will transform.

Go to a Chao Garden and get a coconut. Then, with a sleeping Chao, pick up the coconut and put it by the its head. The coconut will act as a pillow.

Your Chao gets a Badge for winning all the beginner Chao races.