【合作】Gabe Newell Birthday Extravaganza

https://www.youtube.com/watch?v=zhjlfc13KNA ★ After 2 months in development, hopefully, it would've been worth the wait! ★ 27 people gathered and made a collab, in order to celebrate the birthday of valve's CEO, Gabe Newell! We hope you enjoy the result!

http://www.nicovideo.jp/watch/sm32215891