Found a mistake in one of the badges "kempo" is supposed to be kenpo, unless referring to the traditional Hepburn romanization transliteration; which in my opinion, is crap.
To mute music, pause game (button in top left of screen) where it says SFX, MUSIC, RESTART LEVEL, and QUIT. click MUSIC. Then enjoy your game without the repetitive rock.
Finishes story in 28 Days. Completes every challenge. Exits game and tries to load to get badge. Does not load. Clicks on New Game. Will not start. FFFFFUUUUUUUUUUUU!!!!
no longer possible in this game, sadly. but the sequel will totally rock with it.