Anyone who enjoys puzzles might have fun tackling the GCHQ Christmas puzzles. DH and I are enjoying going head to head.

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

If you're interested, the game closes Jan 31, 2016.

Eek, too hard for me! I also can't do sudoku