I like the art style and controls of using both mouse to aim and WASD for moving. Too bad that the game doesn't have audio or simply not playing audio. There are some bugs which I believe can be fixed later. Though I think there is a game balance problem: the enemies keep spawning randomly so you can't actually hit and run. Then there is an unfair situation where the enemies bullet can pass through terrain, while you can't. That makes climbing slopes really hard. Basically, if you have high ground, it's over (star wars reference)
My game is also quite challenging top-down shooter that you should be enjoying. Let me know if you like it and give a rating!