Unlock Secrets:

You need a total of 2000 fighting points to open up everything. Each level gives

you about 50 to 100 points, ranging from the first to sixth level. The secrets

open in the following order.

Extra lives: Extend up to 9 lives. 
Stage Select: 1 through 6. 
Color change for all characters: Also opens up Alpha Guy and Alpha Cody as two new characters. They look exactly like the ones in the Alpha series. 
Rapid punch: Allows you to hold Attack to punch rapidly.   

Thanks to Revolution reader Guy!