Ruffian Games is a British video game developer founded in 2008. The developer was formed by two members, Billy Thomson and Gaz Liddon, of the video game developer Realtime Worlds. Ruffian Games originally consisted of members from Realtime Worlds and Xen Studios, among others. They have made Crackdown 2, the sequel to the 2007 video game, Crackdown. More: en.wikipedia.org.