I liked how you did the lightning, i thought it looked pretty good. The powerups variety were also nice, my favourite was the infinite jump one, it busted!
I was not a fan of the big map, felt hard to tell where to go, where i've been, i think it would have worked better as a couple of small levels instead of a big one, or maybe you could keep the big level and use different camera limits and positions to make them feel more like chunks.
Good work, keep it up! :)