If you are looking for portal 2 video game, simply check out our links below :
1. Portal 2 on Steam
https://store.steampowered.com/app/620/Portal_2/
US$9.99
2. Portal 2 – Wikipedia
https://en.wikipedia.org/wiki/Portal_2
Joshua Weier
3. Portal 2 – Full Co-op Trailer – YouTube
Uploaded by Valve
4. Portal 2 Gameplay (PC HD) – YouTube
Uploaded by deluxe345
5. Portal 2 Teaser Trailer – YouTube
Uploaded by Valve
6. Portal 2 Video Review – YouTube
Uploaded by IGN
7. Portal 2 – Full Game Walkthrough – YouTube
Uploaded by Bolloxed
8. Portal 2 (Video Game 2011) – IMDb
https://www.imdb.com/title/tt1648163/
Valve
9. Portal 2 – Portal Wiki
https://theportalwiki.com/wiki/Portal_2
Source Engine
10. Portal 2 | Half-Life Wiki | Fandom
https://half-life.fandom.com/wiki/Portal_2
Source
11. Official Portal 2 Website
https://www.thinkwithportals.com/
Information about Valve’s Portal 2, including trailers, screenshots and preorders.
12. Portal 2 Review – IGN
https://www.ign.com/articles/2011/04/19/portal-2-review
Review by Charles Onyett