 She is Chairperson Emerita and one of the founders of the International Game Developers Association's Online Games group, has contributed or been editor in chief on multiple IGDA State of the Industry white papers, and was one of the Directors of the Global Game Jam from 2011–2014.Dunin has published a book of exercises on classical cryptography, and maintains cryptography-related websites about topics such as "Kryptos", a sculpture at the Central Intelligence Agency containing an encrypted message, and another on the world's most famous unsolved codes.She has given several lectures on the subject of cryptography, and according to the PBS series "NOVA scienceNOW" she is "generally considered the leading "Kryptos" expert in the world."