Interactive Killer Sudoku by KrazyDad

Killer Sudoku by Thomas Snyder - The Art of Puzzles

Killer Sudoku by Sudoku.com – Apps on Google Play

About Killer Sudoku Puzzles

Insane Killer Sudoku

Killer Sudoku: 1,000 + New sudoku killer 10x10: Logic puzzles medium - hard levels (Paperback)

New take on the classic: Killer Sudoku by Easybrain

Un exemple de killer sudoku. Original images by Toon Spin (Toon81) (Own

Ludii Portal

Variety Puzzle Books for Adults - 400 Normal Puzzles 9x9: Killer Sudoku, Killer Sudoku X, Killer Sudoku Jigsaw, Argyle Killer Sudoku (Volume 16) (Paperback)

1,000 + New sudoku killer 10x10: Logic puzzles easy levels (Paperback)