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  • #: 47827
  • Price: $0.99 In Apple Store
  • Category: Games
  • Updated: 2009-10-21
  • Current Version: 1.1
  • 1.1
  • Size: 1.00 MB
  • Language: English
  • Seller: A. Saymeh
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.0 or later
  • © RevApps
  •  Add to Favorite apps




A Hanidoku puzzle looks like a honeycomb. It has hexagonal cells. Like in regular Sudoku, there are 9 rows, but there are no columns. Instead, there are lines that run in 60 degree angles from the horizontal rows. The ascending lines are called inclines and the descending lines declines. There are 9 of each type of line.

The picture shows an example of different lines. The lines come in different sizes (5, 6, 7, 8, 9) and run in the 3 directions shown. The biggest line, made up of 9 hexagons accommodates numbers 1-9. The shorter lines must contain consecutive numbers. For example, a line of 8 consists of number 1-8 or 2-9, a line of 5 consists of 1-5, 2-6, 3-7, 4-8, or 5-9.

Each number can can only be used once in a line. However, that same number will be used in 3 lines that each run in different direction.

Optional digits can also be eliminated from a line. On a line of size 5, 6 or 7, you can find optional digits that require another optional digit to be present. For example, digit 9 requires digit 8 to be available, otherwise it cannot be used in a series. When digit 8 has no candidates left in a line, digit 9 can also be eliminated from the entire line.


Show incorrect is always off by default, you can turn it on under settings.

When all spaces have been inputed, you will get the congratulations screen with your time, if that does not appear then the puzzle has mistakes in it.

An update has already been submitted to enhance a few features.

What's New in Version 1.1

Fixed the continue game issue and crash problems

Working on fixing the following issues:
Making notes bigger
Easier note taking
Delete button

Thank you for you support and keep the suggestions coming.

iPhone Screenshots

Hanidoku iPhone Screenshot 1

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Rated 4/5 based on 3 customer reviews.


5/5 stars

If u like a challenge, you will love it

In the beginning I had no clue how this game worked. For a challenge I normally refuse to play easy levels or read instructions. This game crushed my ego and had me start with the easy level and go back and forth to the instructions several times until it made sense. It took me 45 minutes to finish the first game but once I finished I regained my pride : ) This game is crazy, I like it a lot. It felt good when it took me 15 min the second time I played it. I can't imagine the hard level. I rarely write reviews but for this game I had to. TWO THUMBS UP

4/5 stars


Bingo! Challenging.

3/5 stars


Good game if u like to kill time. I like games that require more than this but worth buyin for dolla. Great for waiting room waiting for the gf to get her nose job. Now that's expensive!


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The information may be outdated (2011-03-29 12:34:56). For actual information go to iTunes

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