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What Makes ONE NAME LEFT Different?

ONE NAME LEFT transforms the classic name deduction puzzle into an immersive investigative case file experience.

Most name deduction puzzle books ask you to eliminate names using a series of logic clues.

ONE NAME LEFT takes that familiar mechanic and turns it into an detective investigative case file experience.

Instead of simply solving a list of clues, you’ll examine a case file containing forensic linguistics, witness statements, case notes, map, evidence log, location records, and an official verdict form. Every bit of evidence eliminate innocent people until only one name remains. That is the killer.

During the investigation you’ll also also uncover hidden pieces evidence which leads to the murder weapon, and determine where the crime occurred.

You must then fill out the official verdict and check your answers here on the website to see if you’re right!


Every Detail Matters

✔ Read the formal introduction letter from the agency
✔ Analyze the case file and exhibits
✔ Analyze the location records
✔ Cross out suspects
✔ Recover hidden evidence
✔ Reveal the murder weapon
✔ Determine the possible crime scene
✔ Find the killer


1. You’re solving an entire case—not just eliminating names.

ONE NAME LEFT is built around an nvestigative case file. Instead of only crossing out names, players piece together evidence from several different exhibits within the case file including: formal letter, forensic linguistics, witness statements, case notes, map, evidence log, location records, and an official verdict form.

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2. Multiple mysteries must be solved.

Players don’t just identify the killer. They also uncover the murder weapon, recover hidden evidence, and determine the crime scene.

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3. Every edition features a unique setting and story.

Each book takes place in a different environment—such as a small town, cruise ship, or summer camp—with its own characters, locations, evidence, and investigation. Every case is a completely new experience.

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4. An investigative detective-like case file experience.

Rather than feeling like a traditional puzzle book, ONE NAME LEFT is designed to feel like you’re reviewing the same investigative case file much like a detective. Every clue, document, and piece of evidence contributes to the final verdict. Can you find the killer?

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