Killer Sudoku - sudoku game

Killer Sudoku is an engaging number puzzle game that blends elements of classic sudoku and kakuro. Players fill a grid with numbers 1 to 9 ensuring each row, column, and block contains unique digits while making sure the sum of numbers in outlined cages matches the cage's target number. With over 80,000 puzzles across 9 difficulty levels, this game caters to both beginners and sudoku masters.

Enjoy features such as daily challenges, trophies, real-time error checking, unlimited undo, and hints to assist when stuck. Customize your experience with color themes, auto notes, and timed or untimed play modes. The extension supports phones and tablets, saving your progress automatically. Compete with others through rankings or relax with brain training anytime.