The game was enjoyable. The art you chose was good, the sound was good as well and the music was great.
The game is a pretty simple top-down shooter, But the camera location is really weird (t's more of an isometric camera) which makes it very difficult to move around. The movement controls also feel a bit odd, like the W key doesn't move straight forward. I like the story dialogue you had at the beginning. The UI is quite basic but useful (although you should stop the player from being able to move the health slider :D)
There are a few bugs that i found in the game. The first two levels had missing assets (missing audio, missing character, missing map). Sometimes the cured zombies would get stuck on the sides of the tent. And there is a problem where your weapon doesn't really have a maximum range, so you can just stay in a corner of the map shooting the red zombie silhouettes from very far away.
All in all, a good game that just needed a little more time. Good luck with the jam.