Killing Forest

PLAYTEST - Prototype name: Third Defender
You can help me by playtesting the game and offering feedback. You can do that on https://discord.gg/5pAs4kAzDp
Some questions to give feedback: Is it fun to play? What can be improved? What should be implemented? What is annoying? Any bugs?
And anything else you wish to say.

Killing Forest is a first person arena shooter where you must kill hordes of undead and other monsters. In this game you must survive as much you can, alone or with a friend.

Features
Single Player / Co-op Arena Shooter
Wave System
Slow Time: slow motion zombie killing
6 Different weapons: pistol, shotgun, automatic assault rifle, rocket launcher, sniper rifle, bolt-action rifle
Level System: Earn experience to level up and choose up to 10 different skill to modify your game
5 small monsters and 2 large monsters that spawns randomly
Ragdoll physics