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Thanks for giving it a try!  

Yeah, sadly I wasn't able to finish any way to upgrade your character, neither give a thought about the balance of movements, hehe.  

Thanks for giving it a try!  

A lot is missing, definitely, hehe. The idea is to be difficult, next to impossible, to beat the boss on the first run, and on subsequent runs, you'll have more time to prepare.  
This "prepare" option wasn't done at all, I had no time to implement even basic RPG stats, hehe, let alone abilities, different weapons, even enemies. 

Oh, bummer! Totally understand.   
I wasn't aware of this soft requirement, and, sadly, I didn't have time to check before the deadline.   

If anyone wants to try, it's not required to install anything, it's self-contained/portable, just download and run.  

It might be weird looking because of the sprite, but you still "face" the last direction you walked, so you have to face the item and press "action" (which is the "space" key, or "X" in a PS controller)  
But, hehe, right now it doesn't matter, I partially implemented the pickup functionality and you "get it" but can't actually use it since there's no "inventory" screen.
The initial implementation was just to use it on the ground to reduce your corrosion level, but that got shadowed in the current build :(