Anyone know if there is a way to hack soul calibur 2 that would open the charecters made for other systems (like Link)? Probably not possible but just a thought.

my guess is that they aren't even included to unlock

If I find out, I will let you know

Hey bro, there are a few hints about unlocking certain characters in the game, you need to check out the game sites like happy puppy or others like it... they give hints