Killer Sudoku – Sudoku Puzzle

Enjoy the free Killer Sudoku puzzle games for both beginners and advanced Sudoku lovers! Download and start the daily challenge for free!

Thousands of killer sudoku puzzles here for you to solve. Come to play this new killer sudoku game, and train your brain. Have fun!

[New] Dark Theme. Perfect to play before bad!
[New] Color Theme. Playing games could be colorful!
[New] Casual Mode. 4*4 and 6*6 boards bring you more fun!

Killer Sudoku Free is a logical puzzle number game & brain game. To complete a puzzle, like the classic sudoku game, you can fill the grid with numbers; unlike the classic sudoku puzzle, you have to make sure that the sum of numbers in each cage (areas surrounded by the dotted lines) is equal to the number in the upper left corner of the cage.

If you are interested in playing number games or math puzzle games, this Killer Sudoku is exactly for you! If you’d ever played number games, such as Sumdoku, Sumoku, Addoku or Cross sum, come to try this one, too! It is an amazing combination of a sudoku puzzle, a KenKen and a Kakuro puzzle game.

Killer Sudoku may be a little bit harder than a classic sudoku puzzle game, no worries! We offer several balanced difficulty levels for beginners and advanced players! The game has the function to add or remove notes during gameplay. Did you make a mistake at the beginning? No worries, there are undo and hint functions! Get it back fast!

How to play:

1. Place numbers 1-9 into each grid cell exactly like in a classic Sudoku puzzle;
2. Different cages – groups of grid cells indicated by dotted lines;
3. The sum of all numbers in each cage should be equal to the number in the upper left corner;
4. The sum of all numbers of each 3×3 block, row, or column always equals 45;
5. Each cage, row, column, or 3×3 block cannot have the repeated numbers.

Features:

– Turn on the note mode to take notes like solving puzzles on a piece of paper. The memo is automatically updated while you fill in the cell.
– Find your mistakes and challenge yourself or use auto-check to see your mistakes in real-time
– Complete daily challenges and earn special trophies!
– Use free hints when you are stuck.
– Thousands of killer sudoku puzzle games

More functions and highlights:

✓ Statistics. Track your killer sudoku progress.
✓ Unlimited Undo. One tap to remove the mistake.
✓ Autosave. If you leave Sudoku incomplete, it will be saved. Keep playing anytime.
✓ Eraser. Eliminate all of the mistakes if you made any.
✓ Sharing functions. You can share this sudoku game with your friends via Facebook, Twitter, etc.
✓ Four perfectly balanced difficulty levels: Easy, Medium, Hard, and Expert.

Train your brain anytime and anywhere and keep your mind sharp in this Killer Sudoku puzzle game. With its easy control, intuitive interface, and perfect selection of different levels, this killer sudoku app will help you to enhance your logical ability and learn more Sudoku skills. Come and try it out! Challenge yourself how quickly you can solve problems and improve your memory!

We always carefully check all reviews. Please feel free to leave your ideas, feedback, suggestions, or any questions about Killer Sudoku for further improvements! We are always here for you. Thank you and have fun with Killer Sudoku, Sudoku Puzzle!

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