Wow that's some really great feedback thank you. I designed the levels and they weren't tested by someone who hadn't spent some time with the game beforehand. So you're probably completely right, the difficulty may be a bit much. If I had more time (This was only developed over 48h rather than the full four days) then I'm sure I could've added many more levels, diluting the difficulty between them. It's not hard to fix after the jam though!
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For a 48 hour game this is a hidden gem, don't worry about it. I am mostly trying to give valid criticism and actual feedback rather than spam ratings so hoping you take the positive much more weighted than any negative feedback. Game jam games are prototypes at heart so I would say that yours is a validated prototype for a truly playable game!