nice look. The gameplay didnt really hold my interest though. Also the healthbar above the player was a problem because it looks like thats part of the game.

the camera could be better but its cool

It's okay.

A few complaints though:
- The gun has no "punishment" (reloading, delay, etc) for holding down the spacebar, so you can just spam it and stop worrying about the zombies.

- The zombies come from one direction, if they cam efrom both and the player had to shoot at both ends, it would give a bigger challenge and need to stay more alert.

- The knifes are quite predictable, they just fall straight at you, so it's quite easy to predict them, and farm a bit more points from shooting the knifes. It'd be a lot more challenging if the knifes targetted you, BUT had a random deviation (AKA they fall more to the left or right randomly), randomization in this case is way more effective.

- The camera is too low, it barely gave me seconds to see the knife and dodge it.

- Lack of spatial knowledge, maybe the author is not very artsy and cannot make graphics - I understand that, it's very common - but, it'd be great to add a moving background or something to tell us where are we

I hope this review helped you, and good luck making games :)