As they play, they are joined by Alan Parrish (Robin Williams), a man who has been trapped inside the game for 26 years. The trio embarks on a perilous journey, navigating the treacherous world of Jumanji, complete with monsoons, wild animals, and treacherous terrain.

Alan explains the rules: Once you start Jumanji, you must finish — every roll triggers a jungle hazard. He tracks down the now-adult (Bonnie Hunt), who has been traumatized by guilt. Together, they endure stampedes, a monsoon, man-eating plants, and the hunter Van Pelt (Jonathan Hyde, who also plays Alan’s cruel father, Sam Parrish).