This document discusses the challenges and opportunities posed by emerging technologies in the 21st century, focusing on serious games and immersive technologies. It notes that while these technologies provide unprecedented growth, they also pose sustainability challenges if not properly harnessed. Immersive technologies like games, virtual worlds and social networks are commercially significant as they engage users and influence society. When designed well with user needs and emotions in mind, these technologies can enhance lives, relationships and provide access to global knowledge through rich, engaging experiences. Harnessing their full potential will require making them attractive, accessible, affordable and relevant to users.