Killer Sudoku by Sudoku.com is a fantastic evolution of the classic number puzzle. For the uninitiated, Killer Sudoku adds 'cages' to the standard grid—each cage has a small number in the corner that represents the sum of all digits inside it. This adds a fascinating layer of arithmetic to the traditional logic, making the puzzles significantly more challenging and rewarding.
The app's interface is clean and utilitarian, which is exactly what you want for a serious puzzle game. The daily challenges and seasonal events provide a great reason to check in every day. The 'auto-check' and hint features are well-implemented, offering help without making the game too easy. It’s a deep, brain-bending experience that is perfectly suited for long commutes or quiet evenings. For anyone who finds standard Sudoku too repetitive, this is the perfect upgrade.
Available on: iPhone, iPad, iPod
Version 4.2.0Thu Oct 16 2025
- Performance and stability improvements
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Enjoy an engaging Killer Sudoku experience! Jump into enhanced gameplay, solve tons of puzzles, train your brain, and have fun!
Discover the new brain-training puzzle from the developer of Sudoku.com!
Killer Sudoku by Sudoku.com is great for both beginners and advanced players. Although Killer Sudoku is harder than classic sudoku, we made it accessible for players of all skill levels. With its enhanced gameplay, it's easy to follow the game rules and become a sudoku master in no time. Explore Killer Sudoku and discover a refreshing take on the classic paper-and-pencil sudoku puzzle.
What you get:
* Killer Sudoku puzzles to expand your sudoku experience.
* Thousands of levels to solve.
* Daily challenges to win unique trophies.
* Seasonal events to get unique medals.
* Hints and notes to guide you when you get stuck.
* Tons of gameplay to challenge your brain.
* New game from a top developer!
How to play:
* Fill all rows, columns, and 3x3 regions with numbers exactly like classic sudoku.
* Every cell is part of a cage, indicated by dotted lines.
* Make sure the cells can be added up to the sum in the upper left corner of the cage.
* The sum of all numbers of each 3x3 region, row or column always equals to 45.
* Numbers cannot repeat within cages, a single row, column, or 3x3 region.
Dive into the world of Killer Sudoku! Play anywhere, anytime!
Requires iOS 15.0 or later. Compatible with iPhone, iPad, and iPod touch.Enjoy an engaging Killer Sudoku experience! Jump into enhanced gameplay, solve tons of puzzles, train your brain, and have fun!
Discover the new brain-training puzzle from the developer of Sudoku.com!
Killer Sudoku by Sudoku.com is great for both beginners and advanced players. Although Killer Sudoku is harder than classic sudoku, we made it accessible for players of all skill levels. With its enhanced gameplay, it's easy to follow the game rules and become a sudoku master in no time. Explore Killer Sudoku and discover a refreshing take on the classic paper-and-pencil sudoku puzzle.
What you get:
* Killer Sudoku puzzles to expand your sudoku experience.
* Thousands of levels to solve.
* Daily challenges to win unique trophies.
* Seasonal events to get unique medals.
* Hints and notes to guide you when you get stuck.
* Tons of gameplay to challenge your brain.
* New game from a top developer!
How to play:
* Fill all rows, columns, and 3x3 regions with numbers exactly like classic sudoku.
* Every cell is part of a cage, indicated by dotted lines.
* Make sure the cells can be added up to the sum in the upper left corner of the cage.
* The sum of all numbers of each 3x3 region, row or column always equals to 45.
* Numbers cannot repeat within cages, a single row, column, or 3x3 region.
Dive into the world of Killer Sudoku! Play anywhere, anytime!
















Killer Sudoku by Sudoku.com is a new take on the world-famous number puzzle. In addition to the standard Sudoku rules, you must use arithmetic to solve 'cages'—areas with a target sum. With thousands of levels ranging from easy to expert, it’s a perfect tool to sharpen your logic and math skills every day.
Thousands of puzzles for all levels
Daily challenges and trophies
Helpful hints and auto-check
Notes and undo features
Every row, column, and 3x3 block in Sudoku must sum to 45. If a cage almost fills a block, subtract the cage's sum from 45 to find the value of the missing cell instantly!
Miniclip has acquired Cyprus-based mobile games developer Easybrain from Embracer Group for $1.2 billion.
PocketGamer.biz - Sat Jun 28 2025
There are so many reasons to play Sudoku on a regular basis, but what are they? This popular numbers game can boost your concentration,...
MakeUseOf - Tue Feb 28 2023
Embracer Group has also acquired mobile game maker Easybrain in Cyprus for at least $640 million, with as much as $125 million in bonuses.
VentureBeat - Sat Aug 28 2021
Enjoy an engaging Killer Sudoku experience! Jump into enhanced gameplay, solve tons of puzzles, train your brain, and have fun!
AppAdvice - Tue Jan 28 2025
Learn common sums. For example, a 2-cell cage totaling 3 can only be 1 and 2. Identifying these 'fixed' combinations early is the key to solving expert-level boards.
Killer Sudoku adds 'cages' with sum requirements, adding an arithmetic challenge to the logic.