I really like the targetable & forward facing weapon setup, but it be nice if the turret weapon was on autofire--especially for autocannon turret since when I tried that out I basically held down LMB the entire time (also the weapon customization system is great). Really great art--this looks like release quality work. The enemy design for the even levels is quite clever, in particular the enemies that rotate & enemies whose bullets return before shooting out again!
I think the difficulty is at a good place for a shmup--they always tend to be challenging. Plus the regenerating health (btw cool damage & recovery effects on the ship) and slow-mo help a lot. I'm looking forward to the rest of the game & I hope you keep up the progress!