i got this game the day after it came out and haven't been playing non stop or anything but it is quite enjoyable. i'm up to 5-2 and having a blast so far. it has elements of kirby: canvas curse as far as collecting mechanics go, mario 2 and yoshi's island influences in gameplay, a shop system that keeps things fresh for a while and even some surprise replayability. it is extremely polished with excellent, widely varying animations (background and foreground) and feels like a mario game after getting used to everything. i'd recommend it to any platformer nut, mario fan, or nintendo fan in general. it's a very solid game that tends to be easy going rather than frustrating (except for a couple intense bosses); while not taking advantage of the DS in any specific way, instead incorporating a little of all the features (sans Wi-Fi of course).
and i've been thinking about doing a rip, let me finish getting all the songs (although my gf just beat the game so maybe i'll use her file

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