You said you dev'd it in 4 hours? Between 3 people? So really, you were well under your dev time, because you get 3 hours per person involved!
This was amazing. A shoe-in to win. It's awesome this was your first jam too.
My only feedback is I would have liked to control the menus with arrow keys and 'z' as well. Seemed odd I needed to use the mouse between game scenes.