This is a stupid question but I really want to know how.
I got some characters unlocked when I was playing offline but they are all
gone once i log in with my xbox live account. So I suppose I need to it
again, but my games kept getting interrupted by new joiners. It's impossible
to finish the game even with one round win setup (i spent last night trying
to finish with ken and only beat 4 cpu characters....) I've checked the
setup and there wasn't an option to decline outsiders challenge. There