Welcome to a VERY hard bossfught. You are "thing" who's determined to fight a "thing" by shooting it's own eyeball move with wasd and shoot with your mouse try 2 avoid spikes, meta balls (what) and many more dangerous attacks.
all thing except sfx by me borrowed sounds from pixabay this game has been tested and it is possible to complete, so don't scream at me like "AAaaAAhaAhaA, Dees iS imPossiBel