Ah, I haven't beaten Chaos yet, was hoping there was some softening of his douchebag stature as it was pretty annoying ("They call him Ruuuu-fus!" I want to shove him into a grinder).
Also, another game in the Sleeping Dogs setting - http://www.unitedfrontgames.com/2013/10/news-from-ufg/
I guess it's a tablet game, though.