Doom Mansion Diamond Thievery Mystery Party

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An entertaining clue-based traditional non-murder mystery party game for 7-10 guests ages 12 & up in an old mansion setting. There are two kit sizes: 7-10 players, and 7-16 players. 

Select the party ready option above, and our staff will fold and slip the clue cards for rounds one, two, and three into the envelopes to prevent you from seeing spoilers on the round cards. If you do not select this option, you will have some assembly required with your kit.


Helpful Links:

 Sample game materials

Kit A: 10 unique roles

 Host character list for Kit A

 Free, 10 player printable invitation

 Corresponding pre-game site for Kit A

Kit B: 16 unique roles

 Host character list for Kit B

 Free, 16 player printable invitation

 Corresponding pre-game site for Kit B


Mystery Synopsis:

Dr. Doom is the heir of the Doom estate and a chemist made famous for formulations of harmful pesticides. The former scientist has led a troublesome life full of misery, lies, and deceitful practices.  Reflecting upon the past, Dr. Doom decided to host a dinner at the Doom Mansion in hopes of resolving the differences with those wronged in the past.

Most of the guests have accepted the humble invitation and are excited to enjoy a night of fine dining, games, and good conversation. Dr. Doom also has plans to unveil a priceless diamond pterodactyl egg – a family heirloom which has been touted in the newspapers for many years. You’ve been invited to the luxurious affair, and this is where your story begins.

Follow My Mystery Party's board Daunting Diamond Thievery - Murder Mystery Party on Pinterest.


If you wish to host this (or any other) game for profit, you will need a commercial license - click here.

Minimum age:
13 years
Difficulty rating:
Moderate, 5/10
Gender of players:
Co-ed or all-female
Minimum # of players:
7 players
Kit sizes:
2 different kit sizes, 7-10 players & 7-16 players.
Expandable teams?:
Date of publication:
Unique content:
Non-murder. End of the party scavenger hunt for the diamond egg.
Game license:
Single, private use. See game license Terms and Conditions below.


  • 4
    Great product

    Posted by M.M on Jan 21st 2020

    Super awesome product, my daughter loves it. Easy to understand