Thanks for the extensive review!
Here are some answers:
- Empty chests are for storing your items in it. Your inventory has only 20 slots, you will fill it quickly
- To equip a weapon you have to click it in your inventory. Clicking items has a little trick that I didn't have time to change, you have to click the actual outline of the item texture. To unequip, click it again. When interacting with a chest, because of reordering of items, weapons will be unequipped (unintended effect of inventory design)
- To hit a zombie you must have a weapon equipped and press space while a zombie is in your proximity (which is a very small area, if you are not careful the zombie will hit you too). With guns (which are found in military hangars accessible only at night) you have to hold left-click to shoot, and have bullets
- Most weapons are not well mapped to the character when equipped. This would have taken a lot more time, since you need a new frame for every animation times every weapon. I would have done it if I had an extra day. Only the rifle is fully mapped when equipped.