Too often the movement controls will stick when you stop moving, leaving you defenceless as waves of bullets pour into your face. Otherwise, it's an alright game, if a bit samey.
"i guess if it would not be very hard it would not be an "impossible" badge."
Have you even seen the Meat Boy "Impossible" badge? Feh.
Great game though, keeps you hooked. Especially when you hit something at 29k points. *twitch*