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.

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!

If you wish to host this (or any other) game for profit, you will need a commercial license or provide us with your 501C number for a charity fundraiser - click here.

 Follow My Mystery Party's board Murder Mystery Game: Murder & Mayhem at the Old Doom Mansion (Ages 13+)- Murder Mystery Party on Pinterest.

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:
Last revised on 2/26/23


  • 5
    First party

    Posted by Tracey on Oct 19th 2020

    We threw our first murder mystery party, and it was more fun than we expected. We had 9 people and it turned out great! I downloaded and printed everything out and placed in envelopes (which you will need). Will be ordering again soon.

  • 5
    Highly Recommend for Fun....

    Posted by Carolyn on Jul 27th 2020

    This murder mystery dinner party was a blast. We ordered the extension package, so we had a complete total of 16 guests. I liked the fact that the main character, "Dr. Doom" was not an actual part, so no one had to "die" and everyone could actively participate. We all loved the write-ups at the end where each character revealed why they were not the murderer (but one). All the character parts were very interesting and everyone dressed up. I HIGHLY recommend some of the games. They provide a nice "break." We did the "Rapping" contest after round one and the dance contest after the final reveal. I don't know when we have all laughed so hard!! We drew names for partners which made it so much more interesting and fun.

  • 5
    Everyone Loved It!

    Posted by Anna Vieira on Nov 1st 2019

    We played this in our office for Halloween. I purchased it a week before and was able to get everything organized in time. It was easy to follow and we had a lot of great laughs. Everyone said they want it to be a Halloween tradition. Can't wait until we do it again!

  • 5
    A “Killer” Halloween Party!

    Posted by Unknown on Oct 28th 2019

    First off, let me just say how hilariously named the characters are- basically knock off Clue, in the best way!!! The game instructions were very organized and concise, making my very first mystery party a breeze to host! You will be surprised by how immersed in character your guests will be! Everyone delivered their roles so well and we had the best time playing. Definitely a new Halloween tradition!!

  • 4
    Really enjoyable. Used for a Birthday party.

    Posted by Unknown on Mar 4th 2018

    This was a really unique idea for an 18th Birthday party. It didn’t take as long as I planned, but everyone had lots of fun!!!!

  • 5
    Really fun experience

    Posted by Ashlee on Oct 5th 2017

    Played this for my 22nd birthday on Saturday. None of us had ever done this before. had a blast and now we have decided to try it at Christmas and my cousin even wants to do one for her sweet 16. Defiantly one event we wont forget. I recommend trying it because its so fun and you will laugh all though the night.