http://lesswrong.com/lw/d2w/cards_against_rationality/
At the Columbus megameetup, some people actually printed out a set of cards (as a stand-alone deck) and played the game. I don't know who of two people has the source file, but I can find out...
Ugh, so the underscores marking italics thing also works within URLs? (OTOH the link does go to the right place.)
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.