Killer Sudoku - Brain Games

Killer Sudoku - Brain Games

Board puzzles for mindfulness

27K ratings
382 reviews
Free
In-App PurchasesWith Ads

Details

  • Released
  • Updated
  • September 27, 2020
  • July 31, 2026

Features

Killer Sudoku - Brain Games screenshot #1 for iPhone
Killer Sudoku - Brain Games screenshot #2 for iPhone
Killer Sudoku - Brain Games screenshot #3 for iPhone
Killer Sudoku - Brain Games screenshot #4 for iPhone
Killer Sudoku - Brain Games screenshot #5 for iPhone
Killer Sudoku - Brain Games screenshot #6 for iPhone
Killer Sudoku - Brain Games screenshot #7 for iPhone
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About

Engage your mind with a logic-based number puzzle game. Place digits 1-9 into grids, ensuring each appears once per row, column, and mini-grid. Enjoy daily challenges, customizable themes, and intelligent hints for a brain-boosting experience.

Multiple difficulty levels
Daily challenges and trophies
Pencil mode for notes
Highlight duplicate numbers
Intelligent hint system
Customizable themes
Unlimited undo/redo
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What users say

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What's New in Killer Sudoku

3.5.12

July 31, 2026

- Bug fixes and performance improvements.

Subscription plans

Sudoku Weekly Subscription

No Ads - 1 week

$1.997 Days
How to cancel Killer Sudoku subscription ⁉️
3

In-App Purchases

$0.99

Battle Tickets *30

Challenge Other Players!

User reviews

Ads ads ads

Too many ads and ridiculously layered, tiny, repetitive x ads. Ironically, many ads state the advertised game has no ads. Also, why is the pencil in different places?

Interrupting ads

I’ve played this game for a long time. Recently you’ve started ads right in the middle of play. This is disruptive and annoying and if you don’t fix it I’m out

Long time player of this app… will not allow to write review….It is great gam

I am in! I love this version of this type of game. I think this app is trying to protect us from voracious, misleading adds based on their game not having adds. I agreed to watch adds to play. I did not agree to participate with adds ….much less those designed to make it difficult to hang up without having your device taken hostage. This requires leaving the game, turning off search engine or App Store, then return to game and try to turn the add off again,
. I have had this happen up to 6x from Junes Journey and Amazon adds. NOT ON THIS SITE! THANK YOU!Thank you!
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Voller Spam-Werbung

Das Spiel selbst ist in Ordnung. Aber man wird ständig mit betrügerischer Werbung für irgendwelche Fake-Wunderprodukte belästigt, die man auch nicht ordentlich melden kann. In den Privacy-Einstellungen kann man zwar ausschalten, dass Anbieter mit „berechtigtem Interesse“ Daten abgreifen können, aber die Einstellung lässt sich nicht speichern. Unklar, ob das Absicht oder schlechte Programmierung ist, in jedem Fall ist das nicht in Ordnung.
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If you don’t watch the ads, your winning games will turn into loses

Very greedy

Developer apps

User experience

🐞

Reported Bugs

5 issues

Game freezing and crashing

Bug

Ads causing issues and preventing gameplay

Bug

Losing progress and data after updates

Bug

Numbers not showing up in puzzles

Bug

Battle mode bugs and glitches

Bug

Requested Features

5 requests

Option to turn off timer

Feature

More note-taking options

Feature

Ability to choose difficulty level for daily challenges

Feature

Bring back seasonal challenges

Feature

Improve battle mode matchmaking and ad issues

Feature

FAQ

What is this app about?

This app is a logic-based number puzzle game where the goal is to place digits 1 through 9 into a grid. Each number must appear only once in each row, column, and mini-grid. It's designed to be a brain game that enhances logical thinking and memory.

What are the key features of this Sudoku app?

Key features include puzzles across four difficulty levels (easy to expert), daily challenges with trophies, a pencil mode for notes, duplicate highlighting to prevent errors, intelligent hints, customizable themes, and quick filling options. It also offers unlimited undo/redo and auto-save functionality.

Is this app free to play?

Yes, the app is free to download and play. It offers a large number of challenging puzzles daily. While the core game is free, it does include in-app purchases and advertisements.

Can I play this game offline?

Yes, the app supports both online and offline play. You can enjoy the Sudoku puzzles anytime and anywhere, whether you have an internet connection or not, without losing your progress.

Who is this app designed for?

This app is suitable for both Sudoku beginners and advanced players. It's designed for anyone who enjoys logic puzzles, wants to improve their cognitive skills, or is looking for a mentally stimulating way to pass the time.