Killer Sudoku by Sudoku.com
Killer Sudoku is a classic number puzzle for daily brain and logic training!
Game info
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Game description
Android App Analysis and Review: Killer Sudoku by Sudoku.com, Developed by Easybrain. Listed in Puzzle Category. Current Version Is 4.2.0, Updated On 11/04/2025 . According to users reviews on Google Play: Killer Sudoku by Sudoku.com. Achieved Over 17 million Installs. Killer Sudoku by Sudoku.com Currently Has 199 thousand Reviews, Average Rating 4.4 Stars
Killer Sudoku will let you enjoy an exciting experience! Jump into the new Sudoku gameplay, solve tons of new challenging number puzzles, and train your brain! Install Killer Sudoku now for free!This free Killer Sudoku app comes from the developer of the world’s most downloaded classic Sudoku puzzle – Sudoku.com. So a stellar experience, extra game quality, and endless fun are guaranteed.
Whether you’re a fan of classic Sudoku or just looking for a number game or math puzzle for a great time and mental workout, free Killer Sudoku is here for you.
Although Killer Sudoku seems a bit harder than classic Sudoku, we made it accessible for players of all skill levels. This number puzzle game comes with several difficulty levels – easy, medium, hard, and expert Killer Sudoku. This way, Killer Sudoku puzzles are great for both beginners and advanced Sudoku solvers. We have no doubt you’ll become a Killer Sudoku master in no time!
What is Killer Sudoku
Killer Sudoku is a true legend among number games and puzzles. In a nutshell, it’s a perfect blend of those fave brain-twisters Sudoku and Kakuro. Absolutely free!
This number puzzle goes by many names: Sumdoku, Addoku, Cross Sum, etc., but the rules are equally simple across the board. Your goal is to fill the grid with numbers like in classic Sudoku while making sure the sum of numbers in the cages (areas separated by dotted lines) is equal to the number in the upper left corner of that cage. Still sounds complicated? Let’s review the Killer Sudoku rules in detail.
How to play Killer Sudoku
✓ Fill all rows, columns, and 3x3 blocks with numbers 1-9 exactly like in classic Sudoku
✓ Pay attention to the cages – groups of cells indicated by dotted lines.
✓ Make sure the sum of numbers in each cage is equal to the number in the upper left corner of the cage.
✓ The basic rule of Killer Sudoku is that the sum of all numbers in each 3x3 block, row, or column always equals 45.
✓ Numbers cannot repeat within cages, a single row, column, or 3x3 region.
Killer Sudoku features
✓ Complete free Killer Sudoku Daily Challenges to compete for awards
✓ Take part in Seasonal Killer Sudoku Events and win unique medals
✓ Challenge your logic figuring out where you went wrong, or enable Auto-Check to see your mistakes
✓ Add notes if you’re not sure which number to place. Enjoy the experience of the classic paper-and-pen puzzle games.
✓ Use hints when stuck on a really hard number puzzle. Don’t bother if you’re an experienced Killer Sudoku solver.
More Killer Sudoku features
- Statistics. Track your daily Killer Sudoku progress, best time, and other achievements
- Unlimited Undo. Made a mistake? No worries, undo it in one tap
- Color themes. Select classic Light, Dark, or Sepia themes to design your own Killer Sudoku kingdom!
- Auto-save. If you get distracted and quit your Killer Sudoku game unfinished, we’ll save it for you so you can continue anytime.
- Eraser. Erase any mistakes you made in a number puzzle.
Killer Sudoku is now available on the vast majority of phones and tablets. Install Killer Sudoku for free, train your brain, and have fun along the way!
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We are currently offering version 4.2.0. This is our latest, most optimized version. It is suitable for many different devices. Free download directly apk from the Google Play Store or other versions we're hosting. Moreover, you can download without registration and no login required.
We have more than 2000+ available devices for Samsung, Xiaomi, Huawei, Oppo, Vivo, Motorola, LG, Google, OnePlus, Sony, Tablet ... with so many options, it’s easy for you to choose games or software that fit your device.
It can come in handy if there are any country restrictions or any restrictions from the side of your device on the Google App Store.
What's New
We hope you enjoy playing Killer Sudoku. We read all your reviews carefully to make the game even better. Please leave your feedback on why you love the game and what you'd like to improve. Keep your mind active with Killer Sudoku!
Rate and review on Google Play store
Total number of ratings
Total number of active users rated for: Killer Sudoku by Sudoku.comTotal number of installs (*estimated)
Estimation of total number of installs on Google Play, Approximated from number of ratings and install bounds achieved on Google Play.
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Recent Comments
Calvin Yap
Remove the point system. It's arbitrary and annoying. Also, when I press a number, realise it's wrong and move my finger away, it still inputs the number after I let go. This has no use as a feature, and can be removed so people can retract their choices if they realise instantly. Fun game otherwise.
Ela Piskorski
I've been playing this version of Killer Sudoku for a long time. Previously, I always had scoring turned off in settings. It seems that is no longer possible. I have turned off animated scoring (which was INCREDIBLY distracting). Having the score continuously change on the top of the screen is still very distracting. Please return the ability to turn this feature off. I will be looking for a new killer sudoku app in which I am able to control this.
Graham
The game is generally good. But ONLY if you pay for the ad-free version. When I first started playing, the easier levels would have an advert before and after, and the Expert level would have one or two in the middle. Then it became one every three minutes but it's now one every 2+ minutes. 7 adverts for an 11 minute Expert game is beyond a joke.
David Shatto
I enjoy playing these but the constant ad interruptions are very annoying. Also, today I got a very glitchy expert puzzle that broke my streak. several of the clues didn't make sense, for example a given 6 in the same row as a 2 cell 9 box with a 3 in it. I've played hundreds of puzzles, and this one is the only incorrect one I've seen, but it had errors all over
Elisha Chua
I love killer sudoku a LOT! I play it a lot, when I'm at home, when I'm waiting for my food at a restaurant, when I'm in line at a bank, when I'm at the toilet, you name it, I will play this virtually anywhere! If there's one thing I absolutely HATE about this, and it might not even be the fault of the app itself, is I make a lot of wrong presses. I've been playing this game for at least 2 years now, but somehow, I still make wrong presses a lot, it makes me lose my winning streak!
Lior
I've been playing this game for a few years but the ads have increased a lot and having several ads per sudoku in the middle of solving it just really disrupts your concentration. And it's not an ad you can quickly close either, you have to wait a few seconds into the video until you can skip it and then you need to close up the popup altogether. I get that ads are needed but it shouldn't be at a level that ruins user experience
Kazin Drake
This used to be a very nice sudoku puzzle game, but it's constantly been upping it's ad content. I've honestly never played a game more that wants me to do something else than what it's become in the last 6-7 months. Open the game? Ad. Put in 2-3 number solutions? Ad. Try to load a puzzle? Ad. I'm all for supporting a ftp game, but it's just getting ridiculous.
Peter Sampogna
My god! The ads! Far too many to make this app enjoyable. The same ones over and over and over. Idiotic ads. And they last forever. They say you can skip over them but only after some time...and who wants to do that repeatedly? If I don't express interest in an ad, don't repeat it. Better yet, limit the ads to one at the beginning and end of the game.