Portal 2 PeTI - "Medusa Glare" by HMW
Channel: LB
Date: 2016-01-18

https://steamcommunity.com/sharedfiles/filedetails/?id=334610388
Blind playthrough. Awesome map with a new mechanic, and it is Halloween-themed too!

This video is also on Twitch: https://www.twitch.tv/lb___/v/105870971