Killer Sudoku by Sudoku.com

Killer Sudoku by Sudoku.com fuses classic sudoku logic with cage-based arithmetic for a sharper, more strategic challenge. Each puzzle features dotted cages with target sums, pushing you to balance number placement with clever math—no guessing required. Enjoy clean visuals, smooth controls, multiple difficulty levels, and offline play that keeps your brain engaged anytime. Track your progress with timers and stats, master advanced techniques, and return daily for fresh challenges that sharpen focus and logic.