Feedback in Indie Game Showcase and Feedback

Hey everyone! I just "finished" my game ZDU: Zombie Disposal Unit and am looking for feedback before releasing

https://play.google.com/store/apps/details?id=com.sweetteastudio…

https://play.google.com/apps/testing/com.sweetteastudiogames.zdu

Some gameplay of my game 'Fast Core'

Try it here https://lorellaro.itch.io/fastcore!