Variants

What is Killer Sudoku? Killer Sudoku (also known as “Sum Sudoku” or “Sumdoku”) combines elements of sudoku and kakuro, creating a more challenging and strategic puzzle experience. If you’ve mastered traditional sudoku and are looking for your next challenge, Killer Sudoku is the perfect next step. How Killer Sudoku Differs from Classic Sudoku The Basic Rules Killer Sudoku follows all the standard sudoku rules: 9×9 grid divided into nine 3×3 boxes Each row, column, and box must contain digits 1-9 No digit can repeat in any row, column, or box The Killer Twist What makes Killer Sudoku unique: ...

The Wonderful World of Sudoku Variants If you’ve mastered classic 9×9 sudoku and are looking for new challenges, you’re in for a treat! The sudoku family includes dozens of exciting variants, each with unique rules and strategies. This guide explores the most popular variants and helps you discover your next puzzle obsession. Why Try Sudoku Variants? Fresh Challenges Even if you can solve expert-level classic sudoku, variants offer: New logical patterns to discover Different solving strategies to master Renewed excitement when puzzles feel routine Greater variety in your puzzle diet Comprehensive Brain Training Different variants exercise different cognitive skills: ...