Insomniac Games, Inc. (Corporate Name)

Sunset Overdrive, 2014: colophon (Insomniac Games, Inc.)

Wikipedia, viewed 4 February 2015 (Insomniac Games, Inc. is an American video game developer whose corporate headquarters is located in Burbank, California. It was founded on 28 February 1994)

Insomniac Games website, viewed 4 February 2016: contact page (Burbank Studio 2255 N Ontario St. Suite 550 Burbank, CA 91504)