Valve Archive on Twitter: "Portal/Portal 2/Art/Robots/coop_bots_concept3.jpg Found in folder: https://t.co/PtFsCOWUbN https://t.co/zNuYAcppTQ" / Twitter
What are the names of the Portal 2 co-op robots? - Arqade
Portal 2 review: A hilarious sci-fi puzzle game - CBS News