An article called Thief Creators Shutting Down on The Adrenaline Vault cites an unnamed source saying "LOOKING GLASS Studios, creators of Thief and Thief II, is in the process of closing down and has cancelled all future projects, including unannounced projects Thief II Gold and Thief III." The report goes on to give finances as the cause: "A source at the studio indicated the company is in dire financial straights despite robust sales of Thief II."