Doom Mansion murder mystery game

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An entertaining clue-based murder mystery party for 6-10 guests ages 13 & up in a traditional old mansion setting. This game has a victim known prior to the game and is not a guest at the party. This game is a ‘starter’ mystery for beginning sleuths or sleuths who just want a light, entertaining mystery. This is the instant download upon purchase version of the game - no waiting, no shipping fees, as there is nothing to be shipped!  Easy to host, easy to prepare.

Included: there are is a mandatory PDF file that includes the host instructions and game materials.  You must use Adobe Reader (free software that you can download at to view the PDF file, as a PDF is an Adobe product. 


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). 

4 out of 10 star difficulty.

Helpful Links:

Host character list
Free, printable invitation
Sample game materials
6 character expansion pack (Purchased separately)
Boxed version - My Mystery Party staff will prepare your game kit!
Free, pre-game site at Your Mystery Party

Murder Mystery Synopsis:

Dr. Larry Doom - the heir of the Doom estate and famous chemist - led a troublesome life full of misery, lies, and deceitful practices. After receiving some bad news from his doctor that he wasn't as healthy as a horse anymore, he reflected upon the past and of all of the evil things he had done to those close to him over the years. In a fit of regret, he begged Miss Crimson - his niece and the only one left in his good graces - to host a dinner for him at the Doom Mansion so he could resolve all the differences with those he had wronged in the past. The guests accepted the invitation and the colorful cast of characters arrived at the mansion in style and ready to enjoy a delectable dining experience and to hear what Dr. Doom had to say.

However, to everyone's shock, Dr. Doom was found murdered and the guests quickly rallied together to investigate whodunit, their motive, and how they did it before the police arrived. The guests did take a few breaks from the investigation to dine on a tasty dinner and play some amusing games as investigations are hard work! Then, while relaxing and savoring some yummy hot chocolate and desserts, they came to a final conclusion of the mysterious death of Dr. Doom. It appeared to the group that Dr. Doom probably should have made amends with at least one of the guests long ago. The moral of the story is...never waste time turning your enemies into friends as it could end up being a deadly mistake!

 Follow My Mystery Party's board Murder Mystery Game: Murder & Mayhem at the Old Doom Mansion (Ages 13+)- 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, 4/10
Gender of character roles:
Co-ed OR All-female
# of players in main game:
6-10 players
Expansion pack(s):
6 players
Expandable team players:
Date of publication:
Publication date 2009. Last revised on 06/19/23


  • 5
    Great game

    Posted by angie on Nov 30th 2021

    Really liked the game, it wasn't too difficult. We enjoyed our thanksgiving day playing this game

  • 5
    Lots of fun

    Posted by Unknown on Nov 5th 2021

    Got this as a last minute idea for dinner party. Easy set up and was a blast to play. Instructions were clear and everyone had a great time!

  • 4
    Great fun for a family vacation!

    Posted by Unknown on Aug 7th 2021

    What I love about this mystery party set is that the host can participate in the mystery if you have someone to help you set it up ahead of time. I had a friend organize the clues for me before we left for vacation so that everyone was able to participate. Another thing I love is that the themes are so family-friendly without being boring at all! And there is room for improvisation but still enough script to have a direction. But what I love the most is that, if you have a player that you do not want to be the "bad guy," then you simply assign him/her one of the optional roles. My younger brother (24yo) has Down syndrome, so I was unsure if he would be able to play his role alone, but because we all went into the game knowing he wasn't the bad guy, we were able to relax and help him a lot more without fear of ruining the secrets. My brother played the butler, which was perfect because he was rather quiet the whole time. Great GREAT feature! (This would work for a child who wanted to participate as well.) The one thing that I did not like was the the host's instructions are a little confusing. Again, I played a role (Ms. Crimson, who is the dinner party host in the story too) while also hosting the mystery party, so I did not read ahead before the day of the party. That could have had an effect, but I was very confused, which caused us all to break out of character a couple times. Overall, great product!!

  • 5
    Was a total blast even with very short notice!

    Posted by Brent on Feb 12th 2021

    We only had one day to download, print and setup for the party. it was a huge hit! Will be doing it again soon!

  • 5
    Was a total blast even with very short notice!

    Posted by Brent on Feb 12th 2021

    We only had one day to download, print and setup for the party. it was a huge hit! Will be doing it again soon!

  • 5
    Definitely recommend

    Posted by Maria on Feb 8th 2021

    I bought the Old Doom Mansion Murder Mystery packet and it was great for the first time hosting one of these! I had a total of 8 people participating and we had a great time!!

  • 5
    Enjoyed this Mystery Party

    Posted by Dee Brown on Jan 6th 2021

    I used this Mystery Party pack for my son's 15th birthday party. My son, along with his 9 guests, had a really good time with this pack. It was just the right length for them (it took them about 2.5 hours, including taking photos & eating finger foods) and most were able to figure it out, which was a plus as they really wanted to be able to figure it out!

  • 5
    Fun Time

    Posted by Unknown on Nov 3rd 2020

    Made for a very fun night for my family (aged 24+). It wasn’t terribly difficult, 3/6 of us guessed the correct answer, but totally appropriate for first timers! Definitely would recommend!

  • 5
    Highly recommend!

    Posted by Krysta Hart on Nov 2nd 2020

    I purchased the downloadable pack for 10 guests. We had such a wonderful time. We normally have a big Halloween party every year, but with covid we wanted to something a little different. So we invited some family over had had a murder mystery dinner party. Everyone dressed up in their different character roles, we did the pregame task which got everyone excited. My sister told me it was the best Halloween she's ever had. It was a blast! I would definitely do it again!