this has potential!
I love the idea. Im going to give you a 5/5 and a 9/10. this is a great game. all you need to do is improve upon it. RPG elements would work beautifully here, y'know, build up your character with experience. It would be nice to have a bunch more fights, no need for a story line, just a bunch of fights and an upgrade phase between each fight. There could be tons of weapons too, or at least four, each with their own unique special move. you should definetly make a sequel that is just as fun but more in depth than this. good job!!!