Hey onefourtysevenam - thanks for trying out our game. But this is a very old beta and I think we might've missed updating here on itch. Apologies!
Since then we've released a full version of the game in May 2018 on Steam - which is a lot more improved that this extremely patchy beta.
You can check out our steam page here -
https://store.steampowered.com/app/816870/Kill_Em_All/