50% off limited time offer

Subscribe

Killer Sudoku

Sunday 11 January 2026

Killer by Godefridus (11 January)

Puzzles

Sudoku

The Puzzle Edit

Related articles:

Goldilocks No. 20

Lexipedia quiz: on sleep

Download the PDF

Sunday 11 January 2026

Sunday 04 January 2026

Sunday 28 December 2025

Related articles:

Goldilocks No. 20

Lexipedia quiz: on sleep

Puzzles

Sudoku

The Puzzle Edit

About

Contact usFAQsAbout us
Work with usCareersEditorial policy

Join

Journalism school
EventsShop

Follow

The Observer
The Observer Magazine
The ObserverNew Review
The Observer Food Monthly
Copyright © 2025 Tortoise MediaPrivacy PolicyTerms & Conditions