I see you got some DDLC in your Portal there.
Have to agree with the other comment - the puzzles are well set up but the speedrun level is far too punishing and the game just kind of stops at the end. Probably the only other suggestion I would have is to have some kind of color coding or indicator of what objects a switch activates. Can't have too much feedback in a puzzle game.
Otherwise the presentation is really cute and I rather enjoyed the twist.