This book constitutes the refereed proceedings of the 15th InternationalConference on Entertainment Computing, ICEC 2016, held in Vienna, Austria, in September 2016.The 16 full papers, 13 short papers, and 2 posters presented were carefully reviewed and selected from 46 submissions. The multidisciplinary nature of entertainment computing is reflected by the papers. They are organized in the following topical sections: games for health, learning, and social change; use and evaluation of digital entertainment; and entertainment technology.