Portal 2 PeTI - "Greasy Doorknob" by Libbybapa
Channel: LB
Date: 2018-07-24

https://steamcommunity.com/sharedfiles/filedetails/?id=1414068387
Blind playthrough. Wow! I can't believe I managed to pull through with only a single hint!

This video is also on Twitch: https://www.twitch.tv/videos/288181258