A collection containing the first six games in the King's Quest series which was released to celebrate the 15th anniversary of Sierra On-Line (originally founded as On-Line Systems). This collection was released alongside other well-known series from Sierra On-Line (specifically the "Space Quest" and "Leisure Suit Larry" series of games). In addition to the first six games in the series, the collection includes the 1990 remake of the first King's Quest game, the French disk version of King's Quest V, the German disk version of King's Quest VI, a game called "King Graham's Board Game Challenge" (where you can play either Backgammon or Checkers against King Graham), archives of information on the King's Quest series, a trivia game with questions about the King's Quest series, and videos including clips of interviews with Ken and Roberta Williams and a preview of "King's Quest VII: The Princeless Bride".