Description
An entertaining, traditional non-murder mystery party game for 7-10 players ages 12/13 & up in an old mansion setting. This game has a 6 player expansion pack and may be played as all-female or co-ed. This is the instant download upon purchase - no shipping fees, no wait - you'll have everything you need to play upon purchase - just print and prepare your kit. For the boxed version, see below under 'helpful links.'
Included: there are four PDF files - host instructions (there are no spoilers), printable file (spoiler pages are noted on page 1), a game answer key, and an optional free invitation file (also available for download below).
You must use Adobe Reader (free software that you can download at Adobe.com) to view the PDF file, as a PDF is an Adobe product. The game file has all you need to print and prepare the game - clue cards for a pre-game and three rounds, name tags, host instructions, menu suggestions, bonus games and more.
Format: this is a traditional, mingling, clue-based game (downloadable version) for in-person groups. For virtually-formatted games that are ideal for video chat platforms, click here.
Gifting: the standard game license does not allow transfers, so you cannot purchase a download as a gift. For gifts, click here for gift certificates, or use the link below for the boxed version of the game (party pack).
This game was updated on 1/23/25 and will not be seamless with prior versions of the game.
Helpful Links:
Host character list - Game Trailer Video
- Free, printable invitation
- Sample game materials see example plotlines, format, content, and more.
- 6 character, Expansion pack #1 (Purchased separately)
- Boxed version (Our staff will prepare your kit)
- Free, pre-game site at Your Mystery Party - your players can begin the fun immediately
- Pinterest Board
Mystery Synopsis:
Dr. Doom, the enigmatic heir to the infamous Doom estate and a chemist renowned—and reviled—for dangerous pesticide formulations, has lived a life steeped in misery, scandal, and betrayal. But now, in an unexpected twist, the notorious scientist is hosting a grand dinner at the Old Doom Mansion. The goal? To mend broken bridges with those that have been wronged in the past.
The evening promises elegance, mystery, and surprises. Guests are abuzz with excitement for the luxurious affair, which will feature exquisite dining, thrilling games, and captivating conversations. Yet the expected highlight of the evening is set to be a moment everyone has been waiting for: the unveiling of the legendary diamond-encrusted pterodactyl egg, a priceless Doom family heirloom shrouded in fame and controversy.
But beware—where Dr. Doom goes, drama follows. Your invitation has arrived. Will this be a night of reconciliation or chaos? Only time will tell. This is where your story begins.
Commercial Licensing:
If you are hosting in public &/or for profit &/or as a benefit to your business or organization, you need a commercial license.
Product Videos
Reviews
8 Reviews
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Diamond Thievery - Sweet 16
I wanted to host a memorable Sweet 16 party for my introverted daughter who dislikes noisy/chaotic crowded environments. I found the My Mystery Party site and the Doom Mansion mystery. My daughter and her friends loved this game. It was the perfect mix of engagement and fun allowing time for a meal, dessert (birthday cake), presents. I really liked the pre-arrival texting activity leading up to the party. We created a group chat with her friends and they were responding in character (a little trash talking) even before they arrived. This had them engaged, even the ones not in "acting" because the materials for each character made it so easy for the less outgoing to participate confidently. My husband and I served as the wait staff and I announced each round to keep them on track. I was worried that with a meal and cake and gifts that this would run over the 3 hours we had planned. We finished and had a little time left over for karaoke. Now, we could have used all the time and run over if we had rigorously followed every bit of the direction OR done any of the 'extra' activities. As it was, we had several who got close in their guesses about who done it, but only one confidently chose the correct culprit. Highly recommend this game and eager to do another.
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Lots of fun
We bought this for my daughter’s 13th birthday party. The girls had fun getting into character, which is really important because it makes the game fun. As the host, the directions were great and definitely review what you need to do before hand. Highly recommend it.
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Played it with the youngest player Age 8 and it was great
Loved the story and the easy to follow instructions for every round. We were pleased to find that it was easy to play. Everyone got into character and some people were confused because the acting was so great!
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Be prepared for your players to get creative
This. Was. A. Hoot. Our family revealed untold acting chops, and the hilarious trash talking flowed, from the pregame texts and emails to the actual game day. Playing with a couple of tweens, young adults in their twenties and older adults up to age 70 was a fun and unique mix, and this was perfect for a non-Halloween autumn game night - it gave us an extra excuse to dress up. The amount of cutting things out and host/hostess planning was entirely doable (give yourself some time, though - think in terms of a week or two beforehand, if you can), and while this was our first time, we know it will certainly not be the last (especially because we were hardly done with this one before people wanted to know what we were doing "next time").
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Diamond thievery mystery party
We did this dinner party mystery with our 8 grandchildren ages 11-17. It was nice to have a choice of an event that did not involve a murder. It was a fun evening.
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Gender Reveal Party
I used the Daunting Diamond Thievery Mystery Party for my gender reveal party and everyone had so much fun!! The person who stole the diamond also revealed the gender of my baby to everyone including me :)
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Easy to use and lots of fun
I'd never hosted one of these games before and this product made it really easy. My guests and I all had lots of fun and it was all thanks to mymysteryparty.com. Thanks team.
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The Daunting Diamond Thievery at the Old Doom Mansion
We had a great time with this party. We did this at a family get together. I was the hostess but also acted a character without knowing the solution. The kit is well put together and can easily be adapted for many different situations. You can make it as simple or elaborate as you would like. Everyone had a wonderful time. I highly recommend this product. If you are hosting and also acting, I recommend a menu that can be prepared in advance if you are planning an actual meal. This will give you more time to mingle with your guests in character. We are already planning on doing another one at our next family get together.
