Discworld Noir

Discworld Noir is a Adventure/Point-and-Click video game published by GT Interactive and developed by Teeny Weeny Games released on February 1st, 2000 for the Sony PlayStation (PSX).
The game is set in Terry Pratchett's satirical Discworld universe, and follows its first and only private investigator as he is given a case leading him into the deadly and occult underbelly of the Discworld's largest city.