Portal 2 PeTI - "Artisain Science 04: Elevation" by ℳadeye
Channel: LB
Date: 2018-04-06

https://steamcommunity.com/sharedfiles/filedetails/?id=971614133
Blind playthrough. Did I break it?

This video is also on Twitch: https://www.twitch.tv/videos/247032576