Portal 2 PeTI - "To And Fro" by SunnyOst
Channel: LB
Date: 2017-07-28

https://steamcommunity.com/sharedfiles/filedetails/?id=974874135
Blind playthrough. Great work! I'm just a little surprised that that was intended.

This video is also on Twitch: https://www.twitch.tv/videos/201489779