Fun and Games

It's as important to play as to work. 

Norad has a fun site with seasonal games and puzzles, and you can watch where Santa's going on Christmas Eve there too:
http://www.noradsanta.org/en/countdown.html

Daily crossword and sudoku, mazes and jigsaws for downloading
http://www.ibrattleboro.com/staticpages/index.php/puzzlepage

Here are some real brain puzzlers
http://www.guardian.co.uk/news/datablog/2011/dec/20/royal-statistical-society-christmas-quiz

The Mensa Workout quiz (it's easier than it seems)
http://www.mensa.org/workout

Yahoo games
http://games.yahoo.com/