IO Interactive's Mystery Game

Computer and Video Games has word from IO Interactive on an unannounced title they have been developing for three years. It's pretty vague, but word on the game is a multiplatform title IO says is "unlike anything else." The game is described as a departure for studio (how else could it be "unlike anything else"?) of which they say: "Imagine all the violence of Hitman and Kayne [sic] & Lynch but not scripted."