I picked up this game earlier this week and I'm pretty pleased with my purchase. The mood, the sounds and music, are very relaxing. The platforming is somewhat physics-based, but not quite as infuriating as physics-based platformers can be.

So far the puzzles and the platforming are fairly light affairs, not overly challenging, but satisfying enough. One huge win is that they don't repeat too often. For a platformer in which you control a ball, your actions are surprisingly varied. You can move left, right... roll up ramps? Jump off them? But then you can accelerate or stop suddenly to transfer your momentum to the machinery you're standing on. Or occasionally, abilities will be taken away from you and you have to make do without the ability to even move of your own at all, relying on the environment instead. Occasionally, you'll play pinball, because pinball is awesome.

One thing though: I don't find the game very "portable". Oh, you can easily play it on the go, but if you don't have headphones, I wouldn't bother. The music and sounds are such a big part of what makes the game special, you really need to listen to it.

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