Wow, I loved it! it was such a fluent gameplay and I liked that you could chose your power-up. You also totally nailed the Theme I think because these really were strange Power-ups.
Even the main menu is so stylish, its great.
I had the feeling that the power-ups could have reduced cooldowns or maybe visualize the cooldown?
The Music choice was nice, also as a composer I always prefer original music. But it was very fitting and kept me going.
All in all: Awesome! :D