Very neat, first and foremost great job!
I got to 158, and I really enjoyed the challenge: as the game goes on, you really need to lock in, parry the incoming shot, turn around and parry the next one, all based on where you heard the original sound.
So, big thumbs up: I think the mechanics work marvelously.
From a graphical standpoint, I appreciated the effects: the outline makes the game more fair, the sword swinging effect is cool, and so are the arrow trails when parrying back.
If I may suggest one thing: I think I never got to run out of stamina! I noticed that you are rewarded with some when you parry correctly, but since the arrows are kinda easy to parry in my experience it was never scarce. I would suggest either making the parry gain less stamina, or making arrows damage your stamina (I noticed it did not in my case by the end of the game)!
In any case, aside from this, I think it is well executed, a fun game with a cool concept that plays really well.
Plus, bonus points for the floating goblin (hope he didn't crash in the mountains