Zer0 and Merc Play Portal 2! (Part 2)

Little bit o' Portal 2 co-op for your lucky faces! Join Merc and me on our quest to take Aperture Science down from the inside.

You can follow my PiC (Merc) on Twitter here: https://twitter.com/MercilessMerc
And me here: https://twitter.com/ZeroDoxy

You can find and subscribe to Merc here: http://www.youtube.com/user/TheMercilessMerc
And clearly you know where to find me ;]

Thanks for watching! =]