Killer Sudoku by Sudoku.com Downloads & RevenueKiller Sudoku by Sudoku.com · App Store & Google Play
Killer Sudoku by Sudoku.com by Easybrain Ltd is on App Store and Google Play. Active Users (MAU & DAU), Downloads, rankings, keywords, revenue, and rating totals.
Killer Sudoku by Sudoku.com update history & changes
Last change · 33 events since 6 Aug 2020Full timeline ↓📣iOSAdded 2 ad networks📣AndroidAdded 2 ad networks📦iOSUpdated to version 4.7.0⭐iOSRatings taking off in Russia⭐iOSPassed 100K ratings📈AndroidDropped out of every chart we track📈iOSEntered the top 100🆕iOSIts developer released another app: Ludo Go! - Dice Board Games📈iOSEntered the top 100📦iOSUpdated to version 4.6.0🆕AndroidFirst spotted by AppInsider🆕iOSFirst spotted by AppInsider📦AndroidVersion 4.7.0🆕AndroidIts developer released another app: Ludo Go! - Dice Board Games
Full timeline · 33 events
- 📣Killer Sudoku by Sudoku.com added 2 ad networksiOSleague-m.de, optimanetwork.com (the developer's app-ads.txt)
- 📣Killer Sudoku by Sudoku.com added 2 ad networksAndroidleague-m.de, optimanetwork.com (the developer's app-ads.txt)
- 📦Killer Sudoku by Sudoku.com updated to version 4.7.0iOS- Performance and stability improvements
We hope you enjoy playing Killer Sudoku. We carefully read all your reviews to make the game even better for you. Please leave us some feedback about why you love this game and what you'd like to improve. Keep your mind active with Killer Sudoku!… more - 📈Killer Sudoku by Sudoku.com dropped out of every chart we trackAndroidLast seen 28 Oct
- 📈Killer Sudoku by Sudoku.com entered the top 100iOSTop Grossing · Board · RU
- 🆕Killer Sudoku by Sudoku.com: its developer released another app: Ludo Go! - Dice Board GamesiOS
- 📈Killer Sudoku by Sudoku.com entered the top 100iOSTop Free · Board · AE
- 📦Killer Sudoku by Sudoku.com updated to version 4.6.0iOS- Performance and stability improvements
We hope you enjoy playing Killer Sudoku. We read all your reviews carefully to make the game even better for you. Please leave us some feedback about why you love this game and what you'd like to improve. Keep your mind active with Killer Sudoku!… more - 📈Killer Sudoku by Sudoku.com entered the top 100iOSTop Grossing · Board · ID
- 📈Killer Sudoku by Sudoku.com entered the top 100iOSTop Free · Board · SA
- 📈Killer Sudoku by Sudoku.com entered the top 100iOSTop Grossing · Board · AE
- 📈Killer Sudoku by Sudoku.com charting in a new countryiOSFrance
- 📈Killer Sudoku by Sudoku.com entered the top 100iOSTop Grossing · Board · KR
- 📈Killer Sudoku by Sudoku.com entered the top 100iOSTop Free · Board · KR
- 📈Killer Sudoku by Sudoku.com charting in a new countryiOSCanada
- 📈Killer Sudoku by Sudoku.com entered the top 100iOSTop Grossing · Board · SA
- 📈Killer Sudoku by Sudoku.com charting in a new countryiOSUnited Arab Emirates
- 🆕Killer Sudoku by Sudoku.com first spotted by AppInsiderAndroidCanada
- 📈Killer Sudoku by Sudoku.com entered the top 100iOSTop Grossing · Board · IN
- 📈Killer Sudoku by Sudoku.com charting in a new country in 5 chartsiOSGermany · Indonesia · India · Japan · +1 more
- 🆕Killer Sudoku by Sudoku.com first spotted by AppInsideriOS#80 in Top Grossing · Board · Brazil
- 📦Killer Sudoku by Sudoku.com version 4.7.0AndroidWe 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!… more
- 📦Killer Sudoku by Sudoku.com version 4.5.0iOS- Performance and stability improvements
We hope you enjoy playing Killer Sudoku. We read all your reviews carefully to make the game even better for you. Please leave us some feedback about why you love this game and what you'd like to improve. Keep your mind active with Killer Sudoku!… more - 🆕Killer Sudoku by Sudoku.com: its developer released another app: Ludo Go! - Dice Board GamesAndroid
- 🆕Killer Sudoku by Sudoku.com: its developer released another app: Arrow Puzzle 3D - Arrows GameiOS
- 🆕Killer Sudoku by Sudoku.com: its developer released another app: Arrow Puzzle 3D - Arrows OutAndroid
- 🆕Killer Sudoku by Sudoku.com released on Google PlayAndroid
- 🆕Killer Sudoku by Sudoku.com released on the App StoreiOS
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.6 ★
230k ratings, both stores
Measured
Best rank now
#101
App Store · 
Games › Board Free
Games › Board FreeMeasured
New ratings a week
162
▼ -10% vs the 2 weeks before
Measured
Killer Sudoku by Sudoku.com at a glance
AI summary written from our chart and store data. It can be wrong: check the numbers above.
Puzzle Minimalist Abstract short sessions IAP Ads
#sudoku #brain-training #logic #casual #single-player #daily-challenges
App Store
App details
App ID
1505735640
Publisher
Easybrain Ltd
Publisher country
Cyprus
On the store since
Aug 2020
6 years on the store
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
12+
1 content note below
Languages
17
AR EN FR DE HI IT JA KO PL PT RU ZH …
Size
248 MB
Also listed in
Board, Puzzle, Entertainment
Content notesFrequent/Intense Contests
Google Play
App details
App ID
com.easybrain.killer.sudoku.free
Publisher
EASYBRAIN LTD
Publisher country
Cyprus
Content rating
Everyone
Killer Sudoku by Sudoku.com downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| App Store | – | 10M+ |
| Google Play | – | 10M+ Measured |
| Total | – | 50M+ Confidence |
How this is calculated
App Store: chart positions and rating growth per country, anchored on its own Android downloads; lifetime from ratings worldwide × installs per rating. Google Play: the daily change in its exact install count. The total adds every store.
Where Killer Sudoku by Sudoku.com's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Business model: Ad-led
How Killer Sudoku by Sudoku.com makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 72 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | Killer Sudoku No Ads |
Where it ranks now
Both stores, across every country we track.
| Store | Best rank | Charting in | US Top Free | US Top Grossing |
|---|---|---|---|---|
| App Store | #101 Games › Board Free | 7 of 30 countries | – | – |
| Google Play | – | 0 of 23 countries | – | – |
Full chart lists: App Store · Google Play.
Review momentum
ⓘ How we measure thisNew ratings a week
162
▼ -10% vs the 2 weeks before
Lifetime rating
4.6★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
74/100
faster than 93% of Games apps
Growing fastest in 
Brazil ▲ +33%
New ratings by country (12)
| Country | New ratings a week | Share | Last 2 weeks vs the 2 before |
|---|---|---|---|
 Japan | 32 | 20% | ▼ -12% |
 United Kingdom | 31 | 19% | ▼ -25% |
 Canada | 23 | 14% | steady |
 Germany | 17 | 10% | ▼ -14% |
 Australia | 11 | 7% | ▲ +5% |
 Russia | 11 | 7% | ▲ +20% |
 France | 8.9 | 6% | – |
| South Korea | 6.8 | 4% | ▼ -19% |
| Brazil | 6.5 | 4% | ▲ +33% |
 India | 5.2 | 3% | ▼ -47% |
 Saudi Arabia | 5 | 3% | steady |
 Italy | 4.5 | 3% | ▼ -18% |
App Store ratings in the countries we track, 4-week average.
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.7 ★ | 5.4k |
| Google Play | 4.6 ★ | 224k 11k written reviews |
| Both stores | 4.6 ★ weighted by ratings | 230k |
About Killer Sudoku by Sudoku.com
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 45.
* Numbers cannot repeat within cages, a single row, column, or 3x3 region.
Dive into the world of Killer Sudoku! Play anywhere, anytime!
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 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 App Store
Killer Sudoku by Sudoku.com is #101 in Games › Board Free in South Korea and charting in 7 of 30 countries we track.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperEasybrain Ltd
CategoryGames
PriceFree
Released
Rating★ 4.7 (5.4k)
Version4.7.0
Age rating12+
First seen by us 25 Sep 2026
25 Sep 2026Installs (est.)10M+ worldwide
Rating
4.7 ★
5.4k ratings
Measured
Best rank now
#101
Games › Board FreeMeasured
New ratings a week
162
▼ -10% vs the 2 weeks before
Measured
Killer Sudoku by Sudoku.com at a glance
AI summary written from our chart and store data. It can be wrong: check the numbers above.
Puzzle Minimalist Abstract short sessions IAP Ads
#sudoku #brain-training #logic #casual #single-player #daily-challenges
Killer Sudoku by Sudoku.com on the App Store
App details
App ID
1505735640
Publisher
Easybrain Ltd
Publisher country
Cyprus
On the store since
Aug 2020
6 years on the store
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
12+
1 content note below
Languages
17
AR EN FR DE HI IT JA KO PL PT RU ZH …
Size
248 MB
Also listed in
Board, Puzzle, Entertainment
Content notesFrequent/Intense Contests
Killer Sudoku by Sudoku.com downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. App Store downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where Killer Sudoku by Sudoku.com's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Business model: Ad-led
How Killer Sudoku by Sudoku.com makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 72 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | Killer Sudoku No Ads |
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| South Korea | Games › BoardFree | #101 |
| United Kingdom | Games › BoardFree | #154 |
| Germany | Games › BoardFree | #140 |
| India | Games › BoardFree | #168 |
| Canada | Games › BoardFree | #192 |
| Brazil | Games › BoardFree | #199 |
 United Arab Emirates | Games › BoardFree | #138 |
Apps near Killer Sudoku by Sudoku.com on the chart
Games › Board Free, around #101.
Ratings
App Store, worldwide.
Rating
4.7 ★
5.4k ratings
Measured
Ratings
5.4k
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
162
▼ -10% vs the 2 weeks before
Lifetime rating
4.6★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
74/100
faster than 93% of Games apps
Growing fastest in Brazil ▲ +33%
New ratings by country (12)
| Country | New ratings a week | Share | Last 2 weeks vs the 2 before |
|---|---|---|---|
| Japan | 32 | 20% | ▼ -12% |
| United Kingdom | 31 | 19% | ▼ -25% |
| Canada | 23 | 14% | steady |
| Germany | 17 | 10% | ▼ -14% |
| Australia | 11 | 7% | ▲ +5% |
| Russia | 11 | 7% | ▲ +20% |
| France | 8.9 | 6% | – |
| South Korea | 6.8 | 4% | ▼ -19% |
| Brazil | 6.5 | 4% | ▲ +33% |
| India | 5.2 | 3% | ▼ -47% |
| Saudi Arabia | 5 | 3% | steady |
| Italy | 4.5 | 3% | ▼ -18% |
App Store ratings in the countries we track, 4-week average.
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
About Killer Sudoku by Sudoku.com
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 45.
* Numbers cannot repeat within cages, a single row, column, or 3x3 region.
Dive into the world of Killer Sudoku! Play anywhere, anytime!
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 45.
* Numbers cannot repeat within cages, a single row, column, or 3x3 region.
Dive into the world of Killer Sudoku! Play anywhere, anytime!
Latest updates
4.7.0
- Performance and stability improvements
We hope you enjoy playing Killer Sudoku. We carefully read all your reviews to make the game even better for you. Please leave us some feedback about why you love this game and what you'd like to improve. Keep your mind active with Killer Sudoku!
4.6.0
- Performance and stability improvements
We hope you enjoy playing Killer Sudoku. We read all your reviews carefully to make the game even better for you. Please leave us some feedback about why you love this game and what you'd like to improve. Keep your mind active with Killer Sudoku!
4.5.0
- Performance and stability improvements
We hope you enjoy playing Killer Sudoku. We read all your reviews carefully to make the game even better for you. Please leave us some feedback about why you love this game and what you'd like to improve. Keep your mind active with Killer Sudoku!
More from Easybrain Ltd
Sudoku.com - Number Games
Backgammon - Board Games
Spider Solitaire – Card Games
Pixel Art － Color by Number
Solitaire - Classic Card Game
Differences - Find & Spot Them
Logic Puzzles - Clue Game
Brick Blast - Ball Breaker
Blockudoku - Block Puzzle Game
Number Sums - Math Games
Ludo Go! - Dice Board Games
Art Puzzle - Jigsaw Games
Killer Sudoku by Sudoku.com Android
Not in a tracked Google Play top chart right now.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperEasybrain
CategoryGames › Puzzle
PriceFree
Released
Installs10M+
Rating★ 4.6 (224k)
Updated
Content ratingEveryone
Rating
4.6 ★
224k ratings
Measured
Killer Sudoku by Sudoku.com on Google Play
App details
App ID
com.easybrain.killer.sudoku.free
Publisher
EASYBRAIN LTD
Publisher country
Cyprus
Content rating
Everyone
Killer Sudoku by Sudoku.com downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where Killer Sudoku by Sudoku.com's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Business model: Ad-led
How Killer Sudoku by Sudoku.com makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 72 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | Killer Sudoku No Ads |
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Not in a Google Play top chart right now. | ||
Ratings
Google Play, worldwide.
Rating
4.6 ★
224k ratings
Measured
Ratings
224k
Measured
Written reviews
11k
Measured
About Killer Sudoku by Sudoku.com
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 mistak
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 mistak
What's new in 4.7.0
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!