Insane Killer Sudoku

Ok, a few regular readers have requested an INSANE Killer Sudoku puzzle so I had to respond. This puzzle should be very difficult to solve. In fact, it might require some trial&error attempts …

Sudoku Classic

Zer0 Killer Sudoku

Easy killer sudoku - Solve free puzzles online

Sudoku World - Brainstorming!! on the App Store

KILLER Samurai

Killer Sudoku: 101 puzzles - Djape - heftet(9781539625735)

500 Insane Sudoku Puzzles Book: Sudoku Puzzle Books for Adults with 500 Unique Puzzles (Paperback)

100 Sudoku Asterisk Puzzles MIX 99 Kindle Scribe Learn to

How long is Killer Sudoku?

Vote - Which one is Insane or Very Hard Level : r/sudoku

Killer Sudoku Made Easy: An expert solver explains

Im just lost. : r/sudoku

Krazydad Large Print Psycho Killer Sudoku Volume 1: 108 Tough to Insane Puzzles, Shop Today. Get it Tomorrow!

Insane Sudoku Puzzles, Book 41 - KrazyDad

Insane Killer Sudoku – by Daniel Skillin