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Sleuth Kings

Immerse yourself in an interactive monthly mystery. Work with our Lead Detective to solve the case.

Use code CRATE at checkout to save $8!
Plans as low as $26.60 / month
Product Overview
  • Subscription deadlines are the last day of the month. Case files ship by the 4th of each month! FREE US shipping!
  • Only ships within United States
  • Subscriptions automatically renew. Cancel anytime
Crack Cases. Earn Rewards. Unmask Adventure.
Receive a physical case file full of evidence, puzzles, ciphers, and more each month. Can YOU solve the mystery? Work with Sullivan King – our Lead Detective – via email to find out.
  • Features a new, stand-alone mystery each month!
  • Work at your own pace. Each investigation takes approximately 2 - 3 hours to solve and can be done alone or in a group.
  • Receive rewards for completing cases, as well as updates on Sullivan's search for his missing father, Isaac.
  • For every 4 cases you solve, you'll be rewarded with a FREE bonus case that revolves around the hunt for Sullivan's father.

Subscriber Reviews


by Cassandra, 4 days ago

I’ve always loved detective type work. Although I haven’t gotten a chance to sit down & actually do my cases yet just looking over them I know it’s going to be amazing! So glad I got this subscription

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Lots of puzzling fun for a couple

by Michele, Jan 04, 2019

My husband and I have completed 2 of these and have had a couple of hours of fun with each case. Part of the fun is that you get to email back and forth with the detective Sullivan King. I find that part of it unique and fun. There are plenty of puzzles for the two of us to share in the "work", too. The other thing I like is that each case is complete in one box, although I've read that there is an ongoing side mystery that you get with every 4th case or something, but we have not been a part of that. We have tried one other mystery subscription and my hubby prefers this one because it does not rely on online activity to be able to complete it. The other brand we got was a ton of online searching and puzzling which he hated! It is also easy to get help if you need it, so it really has been a good mystery box, in my opinion.

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by Jeri, Jan 02, 2019

We ordered 3 different boxes like this for Christmas. We enjoy sitting around with the kids and solving the mysteries. Out of the 3 boxes, this one was our least favorite. The clues were way too hard and when e-mailing for help the hints weren’t much help either. A lot of work, we put it away 3 times before we finished it as we got frustrated. The one good thing about this box was the quality of the paper products and clues on the inside. So for that I am moving it from 1 Star to a 2

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Sleuth Kings said...
Jan 03, 2019
Hi Jeri, Thanks for your feedback! I'm really sorry to hear that you didn't enjoy your case. Balancing difficulty with hints for a wide array of people is always a challenge, so I apologize that I missed the mark last month! I want you to know that I really do appreciate your feedback. I try and make each new case better than the last, and feedback - both good and bad - is the best way for me to do that. If you decide to try another case in the future, I'm always happy to provide different hints or direction if you reach out to me via messenger on our Facebook page. My responses won't be as quick as Sullivan's, but I always do my best to help. We also do offer a free postcard case on our website so that you can get the feel for our case difficulty level and how our cases work. My hope is that everyone enjoys their cases, so I like to provide the postcard so that people can get a taste of Sleuth Kings before they make a purchase. Have a fantastic day! Brandon
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