Gabriel Knight: Sins of the Fathers is a 1993 point-and-click adventure game written, designed and directed by Jane Jensen and published by Sierra On-Line. It is the first game of the Gabriel Knight series. Sins of the Fathers follows the eponymous Gabriel Knight, owner of a rare book store and fledgling writer, as he investigates a series of local murders he plans to use as the basis for his new novel. Its CD-ROM version includes voice-acting by Tim Curry, Mark Hamill, Michael Dorn, Efrem Zimbalist, Jr., and Leah Remini among others. A remake titled Gabriel Knight: Sins of the Fathers 20th Anniversary Edition, co-developed by Jane Jensen’s Pinkerton Road and Phoenix Online Studios, was released for Windows, Mac, iPad, and Android on October 15, 2014.