no!
The is not oneThere is one, in a way. If you know how to get to a special stage already skip this paragraph. Go into an act with sonic, will not work with blaze! and find one of those spinning things...
I dont know the sonic battle master code but the sonic advanc master code is 993E41C6E2095D550DE6754D9E951E48E531
check it at www.supercheats.com
There is nit any yet so you might as well wait until sonic & the black knight comes out 10/3/09