Definitely a solid foundation, but needs polish.
Stuff I would add:
- An egg counter on the weapons to know when they're primed
- Proper tutorial
- Better SFX
- Better indication of which conveyor goes where
From what I gathered it's supposed to be a boss batle with the bird guy, so lean fully into that. Add a massive boss bar, name him "Heleos, the Sacred Greatbird of the Sun Cult", go nuts! Do whatever you want!