Portal 2 - Full Co-op Trailer
Portal 2: Co-Op - Full Game Walkthrough
How Speedrunners Skip (almost) Half of Portal 2 Coop
Portal 2 Co-op Intro
Portal 2 with Kryoz
So, The Portal 2 Co-op Campaign is Great
Nogla and Terroriser play Portal 2 co-op
PORTAL 2 WITH MY GIRLFRIEND | Portal 2 Co-op w/ Gab
Portal 2 COOP but we're high as a kite
Playing Portal 2 CO-OP for the first time w/ Lance!
BROTHERLY LOVE | Portal 2 Co-Op #1
Portal 2, the "Cooperative" Way to Ruin Friendships
PORTAL 2 CO-OP W/ SKULLVOLVER - The Slop Incident
Portal 2 : World Record
Portal 2 - Full Co-Op Story (No Commentary)
Aperture Investment Opportunity #2: "Bot Trust"
PORTAL 2 WITH ETHAN!
Can You Get EVERY Co-op Achievement in Portal 2 By Yourself?
SECRET Boss Dialogue - Portal 2
Portal 2 DLC CO OP ending
