Hello, with your feedback we were able to upload a new version of the existing demo with some small balances and tweaks. 

Demo 2 changelog:

- Add cannibalism
- Add inverted Y axis setting
- Add contrast setting
- Add saturation setting
- Add a few pickups in E1M2
- Add setting value number on sliders
- Armor piercing damage now damages the armor
- Weapon and enemy balance iteration
- Small bugfixes