Interesting Gamasutra article out today on a study from research group Electronic Entertainment Design and Research (EEDAR) that shows better achievements can drive better sales. Achievements have been a bit of a phenomenon, and it's been pretty obvious...
... also known as "games you can play with your friends without having to be online at the same time." In this case, it's a Wall Street Journal article from this weekend that focuses on Scrabulous , a Facebook application. It's basically Scrabble , except...