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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 get $8 off of your first month!
$29.95+ / 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

One of the best, hands down.

by Robin, Sep 09, 2018

Great customer service and exciting storylines!

Verified Purchase

Favorite Mystery Box

by Nikki, Sep 08, 2018

Sleuth Kings is my favorite mystery box. I love the concept, especially the email exchange. It’s challenging enough that I need a hint from time to time, but not so difficult that I get frustrated and can’t/don’t “solve the case”.

Verified Purchase

One of the very best mystery boxes!

by Donna, Jul 21, 2018

Sleuth Kings is so much fun--you get to work directly with a detective to solve various cases and to help him on a personal case of his own. The stories are interesting, the puzzles are fun (varying degrees of difficulty) and the customer service can't be beat. My favorite part might just be that after you finish a case, the detective sends you some note or trinket in the mail....How fun is that???? (Oh and I believe for every 4 cases you solve, you get a free case to help him solve a personal matter). Oh--just try it...you're gonna love it!

Verified Purchase
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