You've got some nice gameplay mechanics here! Reminded me of Heave Ho, and GIRP (by Bennett Foddy), and such.
I really like the robot's changing expressions upon being hurt. Very cute and amusing! I also really appreciate that you chose not to go with instant-death. Thank you!
I also really like the robot's name "Scandunt"! I'm not sure how you came up with that, or if it has any meaning, but I very much approve.
I didn't question for a moment why the enemies were flying fish. Seemed just normal to me!
Really nice work on the piano music too. You've got some really touching elements with the chords, the gradual speeding-up/slowing-down of the music, and the notes-up-and-down-the-scale stuff that I forget the terminology for.
Very well-made, well done!