Stashed in: G4!, Comics!, deviantART, Portal!
need to play this
Source is petty artist: http://pettyartist.deviantart.com/
Not 9gag. Fuck 9gag for watermarking this. Can remove watermark at http://fuck9gag.com/
Anyway, it's a thoughtful comic. And yeah, Portal 2 nonetheless looks awesome.
Once I can get this image out of my head. :)