A part of the development on the game, which would later become Hitman: Codename 47, was the creation of the Glacier, the studio's proprietary game engine that fit their needs; co-founder Andersen stated: "Since killing was the main theme of the game, we wanted to do something special. [...] Standard 'death animations' just looked too static so some of the coders tried to see if they could use real-time inverse kinematics for the falling bodies.