The artstyle is very cool and I love the SFX and the music on this game. The bosses are very well designed and I can see that it was extremely inspired by Cuphead. The method of attack is pretty neat, a very unique way to interpret the theme, but I can't get the hang of the controls, the bird sometimes slows down for no apparent reason at all, I like the idea of building speed to deal more damage but putting yourself at risk of getting hit the longer you stay and also having to coordinate the moment of release at the right moment to hit the boss, it's truly a very good concept, it's just skill issue from my part.
Besides that, very solid game, loved it.