Alexa has also been archiving web pages over the years. This forms the information backend of the Internet Archive which you can peruse through the Wayback Machine.
In it's modern form, Sukodu was first published on November 12, 2004, in The Times, UK. The newspaper received a "complaint" the very next day from one Ian Payn. He had got so engrossed in the puzzle that he missed his bus. [more...]