Killer Sudoku - number game official icon

Killer Sudoku - number game

By 俊杰 龚 · iPhone & iPad

4.9 (35)4+FreeAvailable now

Killer sudoku (also named sumdoku, addoku, cross-sum or samunamupure) is a logical puzzle game that combines elements of sudoku and kakuro. So its rules are like the classic sudoku very much. Your goal is to fill the grid with numbers like in classic sudoku and also make sure the sum of numbers in cages (areas separated by dotted lines) is equal to

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Inside the game.

Official screenshots supplied through Apple. Artwork belongs to the respective developer. View on theApp Store ↗

About Killer Sudoku - number game

Developer description, as provided in the original store listing.

Killer sudoku (also named sumdoku, addoku, cross-sum or samunamupure) is a logical puzzle game that combines elements of sudoku and kakuro. So its rules are like the classic sudoku very much. Your goal is to fill the grid with numbers like in classic sudoku and also make sure the sum of numbers in cages (areas separated by dotted lines) is equal to the number in the upper left corner of that cage.

If you are interested in playing number games or math puzzle games, this Killer Sudoku is exactly for you! Killer Sudoku may be a little bit harder than a classic sudoku puzzle game. But we offer 9 balanced difficulty levels for beginners and advanced players. Even you didn't play Killer Sudoku before, you'll become a Killer Sudoku master in no time.

How to play it?
The objective is to fill the grid with numbers from 1 to 9 in a way that the following conditions are met.
1. Each row, column and block contain each number exactly once.
2. The sum of all numbers in a cage must match the small number printed in its corner.
3. No number appears more than once in a cage.

Main Features:
1. Include more than 80,000 puzzles, and all are tested by program.
2. Contain several game modes: Daily Challenge, Game Levels, Trophies Collection.
3. The game offers 9 difficulty levels that are suitable for both beginners and masters.
4. Use free hints when you are stuck.
5. Use auto-check to see the mistakes in real-time.
6. Take part in the ranking, and compete with other players.
7. Long press and lock a number, use for multiple cells, you can enable it in settings.

More Features:
- Color themes, select your favorite color.
- Unlimited Undo.
- Auto-save game and continue it next time.
- Auto-notes for all the cells.
- Statistics, record all your progress.
- Timer, you can disable it in settings.
- Support phone and tablets.

Thanks for your selecting our Killer Sudoku game, please install it free, train your brain, and enjoy your happy time!

Good to know.

Developer
俊杰 龚
Release date
Jul 22, 2021
Latest version
1.3.9
Requires
iOS 13.0 or later
Price snapshot
Free GBP
Source checked
Oct 23, 2026

Apple App Store lookup ↗ · Store ratings, prices, and availability can change. Check the App Store for your region.

A few quick answers.

Is Killer Sudoku - number game available on iPhone?

Killer Sudoku - number game is listed on the GB App Store. Availability varies by region and compatible device.

Is Killer Sudoku - number game free?

The recorded download price is free. In-app purchases, subscriptions, or additional content may cost extra. Source checked Oct 23, 2026.

How is the game’s social activity measured?

Good Game Daily compares available samples of recent game mentions with the preceding 24-hour window. Coverage and source failures are disclosed. Read the methodology.

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