Played through the game and got a final score of 5333. The graphics conveyed the mood/tone of the game pretty well, I was a little spooked at first. I especially liked it when everything turned red and when the tornado spawned.
I think there was a lot going on within the game and it's definitely difficult to fit everything in within the jam's time period. Camera, for instance, is deceptively difficult to get right. I would suggest trying out Cinemachine and following some of the talks/tutorials to help you get a good grasp of what it does.
The zombie attack animation looks like it's transitioning into the same state over and over. Not sure how your animation controller is set up, but it looks like the attack animation is never fully played out, because it keeps restarting from transitioning to the same state over and over again. https://answers.unity.com/questions/1568474/animator-what-does-can-transition-to...