I'm glad you liked it!
I'm aware of the problem that you can skip a lot of combat, I originally wanted to make it so that you have to kill all enemies to get to the next level, but that would probably make the game really annoying because the enemies aren't very smart and they often get stuck at obstacles and they stop following you after a certain distance, so it could turn the game into a hide and seek (which is not what I wanted it to be).
I totally understand the point about music, I wanted to add there at least some ambient tune, but the game got into a playable state 2 hours before the deadline (there were some problems with the border when restarting a level) and it had like three sound effects and two very bad levels so I tried to improve the game in these aspects instead.