Killer Sudoku - sudoku game

If you enjoy number games and math puzzles, then Killer Sudoku is the perfect game for you! It offers a unique twist on the classic sudoku puzzle, with 9 balanced difficulty levels for players of all skill levels. Whether you're a beginner or an advanced player, you'll quickly become a master of Killer Sudoku.

The objective of the game is to fill a grid with numbers from 1 to 9, following three main rules. First, each row, column, and block must contain each number exactly once. Second, the sum of all numbers in a cage (a group of cells outlined in bold) must match the small number printed in its corner. And finally, no number can appear more than once in a cage.

Killer Sudoku offers over 80,000 puzzles, all tested by the program to ensure quality and variety. There are also several game modes to choose from, including Daily Challenge, Game Levels, and Trophies Collection. With 9 difficulty levels, the game is suitable for both beginners and masters. And if you get stuck, you can use free hints or the auto-check feature to help you out.

For an added challenge, you can compete with other players in the ranking and see how you stack up. The game also offers convenient features like long-pressing to lock a number for multiple cells, a combination calculator to help you find all possible number combinations, and the ability to select multiple cells and easily get their sum.

But that's not all - Killer Sudoku also has customizable color themes, unlimited undo, auto-save, auto-notes for all cells, statistics tracking, and a timer that can be disabled in settings. And it's available for both phones and tablets. So why wait? Install Killer Sudoku for free, train your brain, and enjoy your happy time!