A whodunnit through your letterbox.

The suspects are guilty of terrible puns. One of them is guilty of murder.

Case File No. 1: The Riddell Hall Poisoning

Sir Edmund Riddell has been poisoned at his country house, and Inspector Sharp needs your help. Your case file arrives through the letterbox, packed with letters, police reports, photographs and a few things that really shouldn't have been thrown away. Read the evidence, crack the passwords, question everyone, and name the killer, the time and the room.

How it works

1. Your case file drops through your letterbox.

2. Sift the evidence and unlock hidden clues online.

3. Name the killer. Inspector Sharp is counting on you.

Inside Case File No. 1

Join the Case Notes

New cases, behind-the-scenes peeks and the odd terrible pun. No spam.