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Have you ever wanted to be a repressed homosexual suicidal genius? Now's your chance. The UK's GCHQ has set up a series of codebreaking challenges to try and attract your attention in the hope it gets you interested enough to apply for a job. This is the latest. A previous challenge here. Plus some other puzzles they've set. GCHQ: It's not all about selling out your fellow man/woman.
posted by biffa on Dec 16, 2004 - 31 comments

Quzzle. Using the basic 'dad's puzzle', a 5X4 grid with a number of blocks, Jim Lewis calculated the most difficult solvable variation (yes of course that's quibbleable). Read more here.
posted by biffa on Dec 8, 2004 - 21 comments