Style and conception is interesting, but gamedesign, leveldesign and tech side making a game not really good.
But i guess, hell should look like this)
What about mistakes i would like to say:
Enemies are spawning from no where, they just can fall on you. This is doesn't have any matter in this case bc damage is too small, but player always should see where death/damage is coming from.
You giving a more powerfull weapon(mines or tnt whatever is this) and the spear is kinda useless.
Also for equip items, they are so hard to see. I missed grab axe/hook and just stuck in the some hellhole)
So, i reached the end but this was hard, not bc this is hardcore, just bc this is hard)
But anyway good job, keep working and learning!