Baker Street Irregulars ( 17th Nov to 20th Nov )


Puzzle Booklet ( 15 pages )
Timing / More Information
Discussion Thread


This contest is part of 2021 World Sudoku + Puzzle Convention. Details here.

The official period for "Baker Street Irregulars" is over. However, you can participate unofficially using this link.

Your timer will start when you click "Start Baker Street Irregulars" — then you will have 75 minutes to solve and submit your answers.

A timer will be shown the answer page with the remaining time.

If you have any questions or doubts or suggestions, please ask in the forum.

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Password for Puzzle Booklet :

In case the website goes down, send an email to with the answer keys. Anything within time will be considered, but only in the case of the website being down.