Thank you, ForkNSpoon!
I tried to keep it as close to a classic scrolling shooter formula as possible, just to experiment with the game mechanics I had never done before, so the version you've seen back then could have been not very far from the final version (since it conveyed pretty much everything I wanted initially). But having such a great composer on my side made me to put more effort into other aspects.
I'm supper happy that you liked our game!