Betrayal at Mystery Mansion Strategy Board Game

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There's something going on at Mystery Mansion! Based on the award-winning Betrayal at House on the Hill narrative board game, the Betrayal at Mystery Mansion game offers 25 haunts inspired by popular Scooby-Doo episodes and movies. Playing as one of the members of The Mystery Inc. Gang, players explore the mansion and its grounds, finding clues, encountering strange occurrences, and maybe even catching sight of a monster! Beware! At some point during the haunt, one player will switch sides to play the role of the Monster. Who will be able to stop them before they carry out their sinister plan? A different story is created every time it's played, making it the perfect family board game addition. Hasbro Gaming and all related trademarks and logos are trademarks of Hasbro Inc.

  • FAVORITE CHARACTERS: Play as Scooby-Doo, Shaggy, Velma, Daphne, or Fred as you explore the mansion, find clues, and maybe even catch sight of a monster a g-g-g-g-ghost
  • GREAT FAMILY GAME: It's jam-packed with more goodies than a Super Shaggy Sandwich, including 25 haunts, never-before-seen monsters, and updated rules tailored for a family game night
  • HIDDEN TRAITOR GAME: Find enough clues to learn what's really going on - then the haunt starts. One player will switch sides to play the role of the Monster Zoinks
  • IMMERSIVE NARRATIVE: It's never the same game twice because a different story is created every time it's played! The Avalon Hill Betrayal at Mystery Mansion cooperative board game is for 3-5 players, ages 8+


Avalon Hill

Age Range

8 Years & Up



Target Audience

Family, Adult, Child

Game Type

Kids & Family Games

Number of Games


Piece Count


Assembled Product Weight

1.7 lb

Manufacturer Part Number





Wizards of the Coast

Minimum Number of Players




Assembled Product Dimensions (L x W x H)

10.60 x 10.60 x 2.00 Inches

CHOKING HAZARD - Children Under 3

This toy is not suitable for ages under 3 years. It contains one or more of the following items: marbles, small ball, or small parts.

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