Thank you so much! Hearing that it could be an NES game is a huge compliment, especially since that proper retro feel was something I was really going for with the whole project. I made the music myself in DefleMask using Game Boy style samples and tried to keep it simple and authentic to that era, so I’m really glad that came through. The actual game play music has drums, but Game boy samples aren't definitive enough I guess to come through all of the other noises coming through :p
And yeah, the game is definitely tough lol. I didn’t want to make it too easy, but I might have pushed it a little too far. I could probably let up on the difficulty a bit. I really appreciate you taking the time to play and give such detailed feedback!