Join Uncle Gravy and RuuNuu as they work there way through multiple puzzles, HiFive each other and laugh at each other's death.
This is the Co-op campaign of Portal 2 for PC.
Uncle Gravy is now on Twitter, Follow me @ www.twitter.com/Uncle_Gravy
My Co op partner channel - http://www.youtube.com/user/TheRuuNuu
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Diolch Yn Fawr (Thank you)
