Nice graphics/sounds and a clever, original mechanic. But two things I really dislike: the difficulty gradient is not well-designed (can't we start easy and work up to something hard?) and the complete reliance on luck. There are courses with far too many twists and turns, and especially if there are twists on the far-left of the screen you have zero warning of oncoming asteroids. Similarly, long horizontal sections are a matter of chance alone - if a fast asteroid comes when you're half-way across, that's the end of you. So in that case you really have no control over what happens and no skill is involved. (And a third complaint...no WASD or similar? EDIT I know not everyone is a fan of WASD, like people with AZERTY keyboards instead of QWERTY, so I'm fine with some other control scheme or ability to set keys manually, but using arrow keys only is a pain on some laptops)