Yo, wordz nerdz of the puzzley flavor: Don't miss the great game
Blocks With Letters On, posted by
Sitegeist at MeFi (it gets much harder after the first 10 or 15 levels, in a good way). Also...
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I've been meaning to post
the crossword archive at The Chronicle of Higher Learning. These are like NYT crosswords at the Friday or Saturday level, I'd say. Very nice.