Killer Sudoku - Brain Puzzle

Challenge your brain with Killer Sudoku — the advanced twist on classic Sudoku that combines logic, strategy, and math.

Every puzzle is generated fresh. Unlimited puzzles, infinite brain training.

HOW TO PLAY • Fill the 9×9 grid so each row, column, and box contains 1-9 • Numbers in each cage must add up to the sum shown • No repeated digits within any cage

FEATURES • Unlimited puzzles — new puzzle every time • 4 difficulty levels: Easy, Medium, Hard, Expert • Smart notes system for pencil marks • Timer with pause function • Undo/Redo support • Error highlighting (optional) • Same number highlighting • Track your statistics and best times • Dark mode support • No internet required — play offline

Whether you're a Sudoku master looking for a new challenge, or a puzzle lover wanting to train your brain, Killer Sudoku offers endless entertainment.

Free to play. Download now and start solving!

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