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  • #: 36028
  • Price: $0.99 In Apple Store
  • Category: Games
  • Updated: 2008-12-17
  • Current Version: 1.5
  • 1.5
  • Size: 0.90 MB
  • Language: English
  • Seller: Pakpong Chirarattananon
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 2.0 or later
  • © 2008-2010 P Chirarattananon
  •  Add to Favorite apps



Challenge yourself with mind-bending KILLER SUDOKU puzzle on your iPhone or Ipod touch anywhere with this KillerSDKKiller Sudoku (aka Sum Sudoku) was made known to the world by The Times. It is an advanced version of the popular Sudoku puzzle. It….. Read more

What's New in Version 1.5

** Newly added features **
- Sum Calculator. This would definitely enhances user experience!
- Combination Table. Harder puzzles are easier to solve than ever with the aid of this.

iPhone Screenshots

KillerSDK iPhone Screenshot 1
KillerSDK iPhone Screenshot 2
KillerSDK iPhone Screenshot 3
KillerSDK iPhone Screenshot 4
KillerSDK iPhone Screenshot 5

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Customer reviews

Rated 1/5 based on 3 customer reviews.


2/5 stars
Functional But Needs Work

The application functions as described however it is very hard on the eyes and entering numbers requires too many keystrokes. On the bright side, I found the first puzzle well constructed, but I don't think I can brave the interface as is to do another one. I also really like the instant feedback of a red number when I insert an incorrect number. I do think with a few changes this could be a great app. Here are my suggestions:

Get rid of the two tone squares, it is making my eyes swim. Use a single lighter shade for the caged cells.

Make a more distinct outline for the squares. A thick black line would work. I had to keep counting rows to figure out where the squares were.

Make the sum totals darker. I had trouble making some of them out.

Loose the separate popup for number entry. Yikes what a lot of unneeded keystrokes, and the dimming and lightening of my screen was driving me batty! Instead put the numbers in a single row along the bottom - there plenty of room. Let a single touch of a number be a pencil mark and a double tap or touching an already selected one be a pen mark.

Allow a 4th pencil mark. I like the bigger numbers and agree that you don't need all of the numbers which would be impossible to read, but 3 won't be enough for hard puzzles.

I hope the calculator you are planning on adding will work simply. I would like to be able to highlight any number of square to calculate. Remember that hard puzzles often require you to add square that are not adjacent. I suggest touching a calculate button to allow you to starting highlighting squares and then touch it again to sum the highlighted squares. Selecting a square after the calcuation will revert to just selecting individual cells for entering numbers.

0/5 stars
Many mistakes

There are many puzzles with mistakes, incorrect amounts, 0 in place of a number. Disappointing.

2/5 stars
Killer SDK

Quite a few puzzles with mistakes. Very frustrating and disappointing. There aren't a lot of choices out there for Killer Sudoku, but thankfully some of the Killer SDK puzzles that aren't riddled with mistakes can be solved, providing a nice and fun challenge. Since this is a paid app, it would be great to see updates to correct the mistakes, as they occur frequently.

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