YUI Tetris!
http://www.dustindiaz.com/yui-tetris
"Using a combination of the Event Utility and the DOM Collection utility, I was able to roll out perhaps the sweetest piece of eye candy I’ve ever built."
Tetris effect - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Tetris_effect
"The Tetris effect refers to the ability of any activity to which people devote sufficient time and attention to begin to dominate their thoughts, images, and dreams."
bopuc/weblog: Classic
http://bopuc.levendis.com/weblog/archives/-2006/03/02/classic.php#comments
"I know you know how this feels." Screwed the pooch on that sweet Tetris setup.
British Gaming Blog - Blog Archive Tetris DS: Ultimate Screenshot Collection
http://www.britishgaming.co.uk/?p=562
"Some old, some new, some unwatermarked for the first time - but here's 33 (roughly?) screenshots from Tetris DS, divided by mode, with information on each."