Sonic Adventure 2 Tips

How to unlock chao world
Find the hidden chao key in a level and you will unlock chao worls where you can play raise and have fun with you very own chao! you can have up to 24 chao. Also you can unlock the secreat chao gardens! You can have 8 chao in a garnden so you can only start with 8, there is also Dark garden where you can hold 8 more and heaven garden where you can hold you last 8 .