BTW, in the game page the control instruction says "Movement: WASD" but currently S and W keys seem not working.
unfortunately I think you can't comment because the page is private :( I can't open it up without making it public which I'm not ready to do yet.
Thanks for playing, and for the really good feedback. I'm not sure if you found any but there are power ups that spawn that let you deal a lot more damage.
I'm thinking about maybe making them shoot inwards instead of down to encourage movement more.