Your game worked for me when the loading screen said 0% loaded and I even earned some medals. I think you may have a game glitch. Anyways nice concept except I could fire only slowly.
It was good but took a while to load
One suggestion: if there is an option to move using mouse, enable L-click for shooting.
Seemed a bit hard until I realized you can shoot too...
The hitbox is kind of wonky. Kind of like you have a square hole and a round peg, eh?