The Lisbon Book Fair

The largest grid among hard puzzles at 13×13. A sprawling outdoor book fair with dozens of stalls tests your organizational skills.

Difficulty
Hard
Grid Size
13×13 (13 × 13)
Official Link
Play on murdoku.com →
The Lisbon Book Fair
Official Murdoku game board — The Lisbon Book Fair

Scene

The Lisbon Book Fair on a warm afternoon, rows of white tents stretching as far as the eye can see, books from every corner of the world on display. Hundreds of readers wander between the stalls — deep in a tent of obscure crime novels, someone hasn't just opened a book. They've stumbled into a real mystery. (Unofficial scene description for immersion)

Key Mechanic

Very large grid management: systematic candidate tracking is essential for success.

Suspects & Clues

Every suspect card is shown below. Use these clues together with the grid constraints to deduce positions.

António

He was sitting in a chair that was beside a trashcan.

Beatriz

She was beside a shelf.

Cristiano

He was in the last column. He was not inside a Kiosk.

Diana

She was in Kiosk 1.

Eva

She was in the Zero a Oito Kiosk.

Fábio

He was sitting in a chair.

Gustavo

He was in the Food Truck.

Heitor

He was in the Esplanada. He was not sitting in a chair.

Irene

She was on a Walkway.

Joana

She was exactly one row south of Eva.

Kevin

He was north of Beatriz.

Leonardo

He was beside a trashcan. He was not sitting in a chair.

Valter Victim

The Victim. She was alone with the murderer.

Regions

Walkway (East) Street Central Lawn Zero a Oito Kiosk 4 Food truck Kiosk 2 Kiosk 3 Walkway (West) Esplanada Walkway (North) Kiosk 1

Hint

This is the largest hard puzzle. Use a spreadsheet or notebook to track candidates by row and column.

How to Play

Open the official case and use the strategy tips from this guide to work through the clues. Remember: place suspects only when forced, respect row and column constraints, and find the murderer last.

Open Official Case →

Sources checked