nice game,
if you are opened to feedback here is mine
when using keyboard would be nice to have WASD and HJKL as an alternative key set (I'm not that skilled with the current settings)
dificulty is spot one if you like challenges, but anticipation animations for the attack would be nice, since I got impactes by a rocket many times as soon as it was launched , this does not help if you have a more agressive play style and makes it feel a bit unfair to receive damage
visual indicator for the character when the shot if fulli charged would improve also the game feel, since is hard to keep an eye in the charge bar below