"King's Quest IV: The Perils of Rosella" is a classic adventure game released in 1988 by Sierra On-Line. It follows the story of Rosella, the daughter of King Graham from the previous games, as she embarks on a quest to save her father and find a magical fruit to cure his illness. The game is notable for its use of a female protagonist and features a point-and-click interface. Players navigate through various locations in the fantasy land of Daventry, solving puzzles and interacting with characters. The game is known for its rich graphics, engaging storyline, and challenging gameplay, making it a beloved title in the King's Quest series.