KillSud - killer sudoku APK for Android

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KillSud - killer sudoku Analysis

AI Assisted Content · June 11, 2026

Not written by CNET Staff.

KillSud - Killer Sudoku is a free Android puzzle game that redefines traditional Sudoku with added complexity. This game introduces two significant rules: each cage's numbers must sum to a specified total, and no number can repeat within a cage. With over 4,000 puzzles available, ranging from easy to extremely challenging, players can expect to engage their problem-solving skills for hours on end.

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The application features a sum calculator to assist players in selecting the correct numbers, alongside comprehensive help options accessible via the menu. Additionally, it includes an auto-save and restore feature for ongoing games, as well as an undo function for correcting mistakes. These attributes make KillSud an appealing choice for Sudoku fans seeking a fresh and stimulating puzzle experience.

KillSud - killer sudoku APK for Android

Used KillSud - killer sudoku for Android?

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Full Specifications

GENERAL

Release: July 31, 2020

Latest update: June 11, 2026

Version: 6.5

OPERATING SYSTEMS

Platform: Android

Additional Requirements: Requires Android 1.6 and up

POPULARITY

Total Downloads: 536

Downloads Last Week: 2

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Developer’s Description

KillSud - Killer Sudoku is a variation of Sudoku, as described at Wikipedia...

KillSud - Killer Sudoku is a variation of Sudoku, as described at Wikipedia:

http://en.wikipedia.org/wiki/Killer_sudoku

In addition to the rules of regular Sudoku, there are two more rules in KillSud:

1) The sum of all numbers in a cage must match the small number printed in its corner.

2) No number appears more than once in a cage.

Play the exciting game of KillSud and test your skills.

* KillSud contains over 4,000 puzzles ranging from fairly easy to really complicated in 6 levels of difficulty.

* A special sum calculator to help in choosing the numbers.

* Detailed help is available under "menu".

* AutoSave / AutoRestore of ongoing puzzle.

* Undo moves (no redo) - See Help for details.

If you encounter any bug in KillSud please e-mail the developer with details. Don't report it in reviews

NOTE1: Click the white area of the running timer to toggle showing elapsed time on/off.

NOTE2: The little purple box below the [new] button is an addition helper. Click on it and the sum of the "marked cage" is added.

To prevent adding the same cage twice, each cage can be added to the addition helper ONLY ONCE (until the helper is cleared)

Long-click the helper to clear it.