The first PC game to use the words "fuck" and "shit" uncensored in the same year of 1993, which was in the PC game Police Quest: Open Season (1993). This was one year before the ESRB rating came out.
The bookstore that Gabriel owns is located on the famous Bourbon Street of the French Quarter, New Orleans, Louisiana.
The character Gabriel Knight ranked number two in Computer Gaming World's November 1996 listing of the fifteen most memorable game heroes.