As virtual worlds and games grow in both personal and cultural importance, present limitations in access to them is increasingly limiting their ability to achieve their potential. Transmedial access, in which a given player’s access to a game is made possible across different devices, offers a promising solution to this problem. It also inaugurates a new category of interaction design: transmedial interaction. This workshop explores the state of the art of transmedial interaction in games, which today unfortunately is often at most mere afterthought. It provides a participatory environment in which attendees can chart new paths forward, from developing viable business models and understanding the technical infrastructure to developing critical vocabularies and evaluative frameworks. Categories and Subject Descriptors H.5.1 [Information Interfaces and Presentation]: Multimedia Information Systems – Artificial, augmented, and virtual realities. General Terms Design, Human Factors, T...