It is a glitched run. There is nowhere in the rules that says glitches can't be used. I used the glitch intentionally. If you reset your last move at the correct timing after killing the cat you can still play the level but it takes out one of the traps.

This youtube video explains how to unpatch the game.

These are the codes you will need that the video shows how to get.

1. Type Steam://nav/console into web browser
2. Enter the following: download_depot 1322170 1322171 1883117637385774671