# Killer Sudoku Master-SumSudoku — Offline Logic Puzzles Game

> Offline logic puzzle game with multiple Sudoku variants and difficulty levels. (iPhone/iPad app by 振开 徐.)

- Source: https://appshunter.io/ios/app/killer-sudoku-master-sumsudoku/id6464051208 (this page in markdown: same URL + `.md`)
- Developer: [振开 徐](https://appshunter.io/developer/1520133296)
- Category: Games, Entertainment, Casual, Puzzle
- Price: Free
- Rating: 4.50/5 from 10 App Store ratings
- Age rating: 4+
- Requires: iOS 11.0 · 95 MB
- Languages: English, Japanese, Korean, Portuguese, Chinese
- Released: 2023-09-11
- Data updated: 2026-08-13
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/killer-sudoku-master-sumsudoku/id6464051208/reviews.md

## What is Killer Sudoku Master?

Welcome to the world of Killer Sudoku Master, the ultimate Sudoku puzzle game that will challenge your logic and math skills to the fullest. Whether you're a Sudoku novice or a seasoned expert, this game offers a wide range of puzzles to keep you entertained for hours.

【Killer Sudoku Master Rules of Play】
In addition to the classic Sudoku rules, we introduce various gameplay variants such as Sum Sudoku, Addoku, and Numberoku. Your objective is to fill the 9x9 grid, ensuring that the sum of the numbers within each cage (distinguished by dashed lines) matches the number in the top-left corner of that cage. But remember, every 3x3 block, row, and column must add up to the magical number 45, and no number can be repeated within the same cage, row, column, or block.


【Killer Sudoku Puzzles Game Highlight】
* Simple and fresh visual effects, a variety of theme colors at will, daily relaxed and happy sudoku without limits
* Pause/resume the game at any time, unfinished Sudoku puzzles are automatically saved.
* Timer, crack the logic and intelligence puzzles, and become the king of mental math.
* Children's sudoku, adult sudoku, suitable for young and old, I make my own puzzles.
* 4 levels of difficulty, introductory/intermediate/master/expert, from novice to advanced sudoku expert, to become a sudoku killer
* 1, 2, 3, 4, 5, 6, 7, 8, 9, guess the number game at your fingertips.
* A fantastic way to improve logical thinking and math skills.
* A blend of intellectual exercise and entertainment.
* Farewell to paper sudoku puzzles, no need for internet wifi, you can play sudoku anytime, anywhere, and soar in sudoku paradise!

【Killer Sudoku Puzzles Game Features】
* Automatically highlight all the same numbers in the current sudoku grid to solve math puzzles.
* Quickly add notes, challenge numbers, complete logic puzzles, and become a Sudoku rhythm master.
* Add notes manually, and add a mark to the numbers or squares that need to be specially indicated to complete the nine squares puzzle.
* Auto-complete, one click to fill up all the empty numbers, start your hero legend of the digital kingdom.
* Undo the previous step, unlimited undo/redo functions, and win the Sudoku battle
* Erase all the numbers, and train your brain game.
* Unlimited replay, experience the legend of number puzzles, solve sudoku puzzles, have a brain teaser with no limitations
* Casual reasoning game, at any time you can play a sudoku match with your friends, and experience the pleasure of sudoku blossom!

【How to play Killer Sudoku Master】
* Fill all rows, columns and 3x3 palaces with the numbers 1-9, just like in classic Sudoku!
* Note the cages - groups of cells shown as dotted lines.
* Make sure that the sum of the numbers in each cage equals the number in the top left corner of that cage.
* The special rule for this logic puzzle is that the sum of all the numbers in each 3x3 palace, row or column equals 45.
* The numbers in the cages, in each row, in each column, or in each 3x3 area cannot be repeated.

【Challenge Your Mind, Train Your Thinking Skills】
Sudoku Mastermind is more than just a game; it's an opportunity to sharpen your intellect. By solving puzzles of varying difficulty levels, you'll improve your logical reasoning, mathematical prowess, and problem-solving skills. Whether you're waiting for a bus, have a few minutes of downtime, or crave a mental challenge, you can dive into the world of Sudoku anytime, anywhere.

【Become a Sudoku Puzzles Master】
Challenge yourself, climb the leaderboards, and let your brilliance shine in this realm of mathematical puzzles. Download "Killer Sudoku Master" now, showcase your Sudoku-solving skills, and join the ranks of Sudoku Masters worldwide.

Join our Killer Sudoku Master community and explore the pleasures of mathematical thinking! Immerse yourself in the joy of Sudoku today!

Facebook: www.facebook.com/mastersudoku9 
Instagram: www.instagram.com/mastersudoku9
Email: lichismile2020@gmail.com

## Key features

- Multiple Sudoku variants (Sum Sudoku, Addoku, Numberoku)
- Adjustable difficulty levels (4 levels)
- Automatic saving and unlimited undo/redo
- Offline play
- Customizable themes
- Hints and auto-complete features


## Frequently asked questions about Killer Sudoku Master

### What are the game modes in Killer Sudoku Master?

Killer Sudoku Master includes classic Sudoku rules along with variants like Sum Sudoku, Addoku, and Numberoku. Players aim to fill a 9x9 grid while adhering to cage sum rules and standard Sudoku constraints.

### Can I play Killer Sudoku Master offline?

Yes, Killer Sudoku Master is designed for offline play, allowing you to enjoy sudoku anytime, anywhere without needing an internet connection or Wi-Fi.

### What difficulty levels are available in Killer Sudoku Master?

The game offers four difficulty levels: introductory, intermediate, master, and expert, catering to both novice and advanced Sudoku players.

### Does Killer Sudoku Master have ads?

Yes, Killer Sudoku Master contains advertisements. It is offered for free, supported by ads.

### How does Killer Sudoku Master help improve skills?

This game is a fantastic way to improve logical thinking and math skills. It provides an intellectual exercise blended with entertainment.

### What is the rating and price of Killer Sudoku Master?

Killer Sudoku Master has a rating of 4.5 stars from 10 ratings and is available for free.

### How often is Killer Sudoku Master updated?

The latest version, 1.5.0, was released on March 8, 2024, indicating regular updates to the game.

### What devices support Killer Sudoku Master?

Killer Sudoku Master is supported on iPhone, iPad, and iPod devices, making it accessible across various Apple platforms.

## Version history (last 5 releases)

### 1.5.0 — 2024-03-08

We hope that you enjoy playing Killer Sudoku Master. We read all your reviews carefully to make our sudoku puzzles game even better for you. Please leave us some feedback to let us know why you love this puzzle game and what you'd like us to improve in it. Relax or Keep your mind active with Killer Sudoku Master!
NEW EVENTS:
1. Add flower selection and close function on home page.
2. When a number is selected, the same number in Note is also highlighted.
3. Repair the problem of repeating numbers in the same cage.

### 1.3.1 — 2024-01-20

We hope that you enjoy playing Killer Sudoku Master. We read all your reviews carefully to make our sudoku puzzles game even better for you. Please leave us some feedback to let us know why you love this puzzle game and what you'd like us to improve in it. Relax or Keep your mind active with Killer Sudoku Master!
NEW EVENTS:
- Fixing statistical issues.

### 1.3.0 — 2024-01-18

We hope that you enjoy playing Killer Sudoku Master. We read all your reviews carefully to make our sudoku puzzles game even better for you. Please leave us some feedback to let us know why you love this puzzle game and what you'd like us to improve in it. Relax or Keep your mind active with Killer Sudoku Master!
NEW EVENTS:
1. Optimization of flower farming systems.
2. Fix some problems.

### 1.2.3 — 2023-11-20

We hope that you enjoy playing Killer Sudoku Master. We read all your reviews carefully to make our sudoku puzzles game even better for you. Please leave us some feedback to let us know why you love this puzzle game and what you'd like us to improve in it. Relax or Keep your mind active with Killer Sudoku Master!

- Fix some problems.

### 1.2.0 — 2023-11-16

We hope that you enjoy playing Killer Sudoku Master. We read all your reviews carefully to make our sudoku puzzles game even better for you. Please leave us some feedback to let us know why you love this puzzle game and what you'd like us to improve in it. Relax or Keep your mind active with Killer Sudoku Master!

NEW EVENTS:
1. New Function：Plant your favorite flowers to dress up the game scene.
2. New language selection: Choose your preferred language and enjoy a more enjoyable and relaxing experience while solving puzzles and planting flowers.
3. Fix some problems.

## Apps similar to Killer Sudoku Master

| App | Rating | Price | Category |
| --- | --- | --- | --- |
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All apps by 振开 徐: https://appshunter.io/developer/1520133296

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-13.*