Gameplay:
Smooth and really addictive. Didn't even realize the progress and timer.

Visuals:
UI above the level blocks the incoming enemy, and sometimes they shoot from there so you can't see where it's coming from.

Audio:
Holy shit the BGM in this game is fire! Would like to hear more of that. SFX feels really nice to hear too.

Other Comment:

What kind of sicko decided to do Platformer inside a bullet hell game, you guys are sick in a very good way.  Good game!