The Tuscaloosa News features an article on Marisa Pena, designer of Cranium’s Zigity and Zooreka.

According to Marisa, most game designs at Cranium are a team effort:

Marisa says all of the ideas are really team efforts by the creative folks at Cranium who brainstorm, write and create the games in colorful office spaces that resemble Cranium game boards. Marisa’s office is bright green and is referred to as the green house — where ideas grow!

(source)