This really has old-school vibes. The mechanics, graphics and sound create a very coherent experience and let me tell you - this is probably the hardest part of making pixel-art game. I think you have done awesome job here!
This is probably the most well made game on this jam. It's a bit harder than I could handle but it does not mean it's too difficult. I am happy it defeated me as I will be able to try few more times and maybe 'do it' at certain point :).
Once again - good job!