Portal 2: Co-Op - Full Game Walkthrough
Portal 2 Co-Op [PC] Full Gameplay Playthrough (No Commentary)
Portal 2 Coop - Full Walkthrough - Bonus Episode
Portal 2 - Full Co-Op Story (No Commentary)
We Played Portal 2 Co-Op For The First Time - Full Playthrough
So, The Portal 2 Co-op Campaign is Great
Portal 2 - Full Co-op Trailer
Can You Get EVERY Co-op Achievement in Portal 2 By Yourself?
Escalation (AOW 4 Co-op 2-11)
Portal 2 Co-op Walkthrough / Course 1 - Part 1 - Room 01/06
Nogla and Terroriser play Portal 2 co-op
Portal 2 Co-Op PC Walkthrough - [Course 1 - Team Building]
Split-screen in Portal 2 (single PC multiplayer)
Portal 2 Alternate Ending (Contains Spoilers)
Portal 2 Co-Op PC Walkthrough - [Course 2 - Mass And Velocity]
Portal 2 Co-op Peer Review - Full Expansion (No Commentary)
Portal 2: Co-op Walkthrough - Part 1 [1080p HD] (PC/PS3/XBOX 360) (Gameplay)
Let's Play Portal 2 Co-Op [Course 6 Chambers 1-5]
Portal 2 Co-op Walkthrough / Course 2 - Part 1 - Room 01/08
Portal 2 Co-op Walkthrough - Part 1 [PC | 720p]
![Portal 2 Co-Op [PC] Full Gameplay Playthrough (No Commentary)](https://img.youtube.com/vi/KARj4yBQ3tg/0.jpg)
![Portal 2 Co-Op PC Walkthrough - [Course 1 - Team Building]](https://img.youtube.com/vi/u4FcRs46tXQ/0.jpg)
![Portal 2 Co-Op PC Walkthrough - [Course 2 - Mass And Velocity]](https://img.youtube.com/vi/3-9k6YiXChQ/0.jpg)
![Portal 2: Co-op Walkthrough - Part 1 [1080p HD] (PC/PS3/XBOX 360) (Gameplay)](https://img.youtube.com/vi/JX7R6wvPg8o/0.jpg)
![Let's Play Portal 2 Co-Op [Course 6 Chambers 1-5]](https://img.youtube.com/vi/nEIu88d5lWY/0.jpg)
![Portal 2 Co-op Walkthrough - Part 1 [PC | 720p]](https://img.youtube.com/vi/YLi6ZiJarQk/0.jpg)