How to design an expansion?

Richard Garfield discusses creating his King of Tokyo expansion, as well as playtesting methods and navigating the publishing process, on the Games With Garfield podcast:

http://www.threedonkeys.com/blog/archives/722

SEE ALSO: Lessons learned designing an expansion, by Grant Rodiek (@HerrohGrant)

http://cardboardedison.tumblr.com/post/19177839103/lessons-learned-designing-an-expansion-by