The music is really good. Where did you get it from?
Besides, my suggestion may sound like a joke, but you should maybe check out
a few episodes of the Angry Video Game Nerd (youtube).
He reviews some of the worst platform games of all time, and
despite the name and the offen rough humour of the series, he does it pretty
professional; he raises valid points and shows the most serious flaws in
gameplay.
Maybe watching a few episodes (somewhere between episode 30 and 80) will help
a game developer to avoid them.
(I'm serious about this. If i was a gamedeveloper, it would have helped me,
because you see it from a gamers point of view).
There are episodes which are more comedy ones and others are more of serious
reviews.
Maybe you want to have a look, for example "the simpsons", "kid kool", bat
man, super pitfall and especially zelda CDI give pretty good examples, how
things can go wrong and why.
