The game is good and fun. Art style is unique and I like how the 8 bit sound/music matched the 8 bit art style. Cool touch there.
While I see where your coming from with the theme, I don't believe that fits it correctly but the whole point of a theme is that it's your interpretation so...
PLEASE add WASD support. I have a 60% keyboard so it was a pain switching between the arrow keys and X/C. It would be a nice QOL feature.