I completed the game, I was happy as I think the first time the boss would never appear.
That was not what I expected after reading the descrition, SNES is more than a stretch, the graphics feel NES even if it would require some serious flickering to display these big sprites. I like the silliness by the way.
The game is fun, the hits feel sturdy with the right feedbacks and so the game feels very good to control, and I thought the difficulty was good for the jam, the boss isn't joking, I like that.
Thanks for sharing!