I'm sorry... but WHAT?!

Seriously, what is this game, what even is it? It's... I'm sorry, what?
I'm still speechless. (I was black).

Moves 24-26 are really what I'm looking at. That's where the major "what?!" factor comes from.

Well, you were already better after move 17.
Your opponent had a chance to draw at move 30, if he played Qxg6+ with perpetual check.