Everything investigators need to know before opening a case file.
Dead Letter Bureau creates physical mystery case files that are delivered to your door. Each file contains evidence, witness statements, photographs, maps, police notes, coded messages, and other investigative materials.
Receive your case file, review the evidence, connect the clues, and determine the truth. Once you've reached a conclusion, scan the investigator QR code included in the package to access the case portal and submit your findings.
No. Dead Letter Bureau investigations are fictional experiences designed to feel like authentic recovered case files.
Case File 001 is designed for beginners and experienced mystery fans alike. Everything required to solve the case is included in the evidence packet.
Most investigators complete Case File 001 in approximately 60 to 90 minutes.
Absolutely. One case file works well for individuals, couples, families, or small groups of up to four players.
Each case includes a collection of evidence documents such as witness statements, police reports, photographs, maps, notes, receipts, coded messages, and other investigation materials.
Every case includes access to an online investigator portal where hints are available. Hints are organized from subtle nudges to stronger guidance so you can choose how much help you want.
Yes. Shipping is included in the listed price of all physical case files. No additional shipping fees are charged at checkout.
Physical case files are printed, assembled, and shipped by hand. Please allow up to 3 weeks for delivery.
Yes. Digital editions are delivered as printable PDF files packaged in a ZIP download. You can print the case at home and begin investigating immediately.
No. Many investigators prefer printing the documents, but the digital files can also be viewed on a computer, tablet, or mobile device.
Every case includes a direct website address in addition to the QR code. If scanning isn't available, simply enter the web address manually.
No. Dead Letter Bureau focuses on investigation, deduction, and mystery. Some cases may contain mature themes such as crime, disappearances, or violence, but there are no jump scares.
Absolutely. Dead Letter Bureau case files make great gifts for mystery fans, puzzle lovers, escape room enthusiasts, and aspiring detectives.
Once you know the solution, the mystery has been solved. However, many investigators enjoy sharing their case file with friends or family members to see if they reach the same conclusion.
No account is required. Access to hints and case submission is provided through the QR code included inside your case file.
Yes. The Dead Letter Bureau archive is constantly expanding. New investigations will be added as additional files are reconstructed and released.