This series of three videos covers Killer Sudoku specific solving techniques. The third video works through a puzzle from start to finish. If you prefer learning by reading, we have a comprehensive Killer Sudoku tutorial here.
Killer Sudoku From Scratch – Our written guide to solving this fascinating puzzle.
Killer Sudoku Cheat Sheet – Is it cheating? Only you can decide.
Killer Sudoku Calculator – An interactive alternative to the Cheat Sheet, and with some special tricks up its sleeve!
The Killer Sudoku Challenge – Think you're good at Killer Sudoku? Prove it! Take the seven-puzzle challenge and see how far you get.
Killer Sudoku Books – More wonderful Killer Sudoku puzzles than you can shake a stick at.