IO Interactive

IO Interactive (commonly abbreviated to IOI) is a Danish video game developer currently owned by Square Enix. The company was founded in September 1998 by the Reto-Moto development group. To date their most popular franchise is the critically acclaimed Hitman series. This team is also known for their references to their own games (such as 47 advertising clothes in Freedom Fighters or Kane & Lynch featuring several Hitman references such as a number 47 garage and 47 achievements).