I like the idea of doing a Gameboy aesthetic, I'm not sure you pulled it off though. For your sprites - in Unity, when you're importing sprites, there's a line that says "Filter Mode" - for that dropdown, you should pick "Point (No Filter)" instead of "Bilinear".
Rotating the room with spacebar is an interesting mechanic, I'm not sure what the purpose of it is though. It doesn't seem to change the gameplay at all.
I think the music was really cute, and I love the character design!