Irregular Killer Sudoku — Knight Features

The normal rules of Killer Sudoku apply, except, the usual 3x3 blocks have been replaced by irregularly shaped, coloured blocks (which must contain all the digits from 1-9).

Indian qualifiers still open for Sudoku & Puzzle World Championships

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Sudoku Problem Series 61 : Anti-Knight Killer

Twitter threatens legal action against Meta over its new rival app Threads

Issue 1520 by Redbrick - Issuu

What is Killer Sudoku? How to Play Killer Sudoku - Mastering Sudoku

Jigsaw Sudoku – Apps on Google Play

This was much more fun than I expected! 1000 pieces - Frozen Impossible Puzzle by Clementoni : r/Jigsawpuzzles

Daily Killer Sudoku

Sudoku APK for Android Download

Killer Solving Guide

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Sudoku — Games & Puzzles — Knight Features