Overall good...I see one massive problem though and that's the complete lack of knowing exactly which side your cannons will fire on, they'll fire from either side but you have no control over when so if you're trying to switch to the other side and fire from there you get boned as you go by because you don't know that TA-DA your cannons are going to fire on the wrong side of your ship...fix that and we'll be talkin.
Too easy...music sucks..hard to find the beat the notes are too since they make their own beat every time you hit one...1/5 flashflashrevolution > this particular variation
Eh, interesting, could be better, like with varying difficulty, and the arrows showing up in certain columns depending on their direction instead of random ~.~
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