https://github.com/blundell/shadingpuzzle

Can you solve GCHQ's Christmas card puzzle?
https://github.com/blundell/shadingpuzzle

Last synced: 24 days ago
JSON representation

Can you solve GCHQ's Christmas card puzzle?

• Host: GitHub
• URL: https://github.com/blundell/shadingpuzzle
• Owner: blundell
• Created: 2015-12-11T15:23:14.000Z (about 9 years ago)
• Default Branch: master
• Last Pushed: 2015-12-28T19:27:53.000Z (almost 9 years ago)
• Last Synced: 2024-10-15T17:47:15.682Z (2 months ago)
• Language: Java
• Homepage: https://play.google.com/store/apps/details?id=com.blundell.shadingpuzzle
• Size: 7.13 MB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

README

        
http://www.gchq.gov.uk/press_and_media/news_and_features/Pages/Directors-Christmas-puzzle-2015.aspx

http://www.bbc.co.uk/news/uk-35058761

> Britain's most secretive organisation - GCHQ - has added a cryptic twist to Christmas card season by including a baffling brainteaser.

> This year spy agency director Robert Hannigan is sending out a complex grid-shading puzzle inside his traditional Christmas cards of the nativity scene.

> Successful codebreakers will uncover an image in the grid that leads to a series of tougher challenges.

Hacked this together so I can take the challenge on my phone!

Available on the playstore:

https://play.google.com/store/apps/details?id=com.blundell.shadingpuzzle

![](preview.png)

APK to give it a go can be found under /releases/

TODO:

 - A winning screen!