Solve a Murder. Become the Guardian of a Most Peculiar Artefact.

• ✅ Designed for ages 16+ — dark content, no offensive language or gratuitous images.
• ✅ A complete murder mystery delivered across two chilling mailings.
• ✅ Play solo or with a partner 
• ✅ Posted from the UK in letterbox-friendly envelopes.

A hands-on detective experience by post. Examine real case files, crack the codes, and uncover the disturbing truth behind why a most peculiar package has been sent to you.

The Case

You receive an unexpected envelope. Inside is a case file and a letter addressed directly to you. Someone has died under mysterious circumstances — and somehow, you have become involved.

Examine the evidence, piece together the clues, and solve the case. Then brace yourself for what arrives in the second mailing.

Mailing One

An unexpected envelope arrives in the post containing a case file and a letter for your attention.

You open the Case File and begin your investigation:

• A crime scene report
• Autopsy report
• Police reports
• Diary notes
• Witness statements
• Correspondence between the deceased

Your investigation also leads to an online portal containing some disturbing and enlightening media.

Mailing Two

You receive delivery of the peculiar artefact and a worrying final correspondence that wraps up the case — and chills you to the bone.

Who Will Love This?

• Adults who love crime fiction, thrillers, and detective puzzles.
• A unique and memorable gift for birthdays, anniversaries, or Halloween.
• Perfect for solo play or a shared mystery with a partner.
• Great for fans of true crime, escape rooms, and immersive storytelling.

Good to Know

• Posted from the UK in letterbox-friendly envelopes.
• No subscription — this is a complete story in one purchase.
• Contains dark themes suitable for ages 16+. No offensive language or over-gratuitous images.
• Created and packed by a small UK mystery-by-post company.

⭐️⭐️⭐️⭐️⭐️   4.7 out of 5 on Trustpilot

Thousands of Mysteries Delivered Worldwide