A resource extending the experience of interactive entertainment serves as a supplemental guide, offering additional content, insights, or activities that are not directly part of the original program. For example, a strategy guide providing detailed walkthroughs, character backstories, and concept art relating to a video game falls into this category.
These supplementary materials can enhance engagement by providing a deeper understanding of the narrative, mechanics, and world-building aspects of the entertainment. They often offer a historical context by including developer commentary, unused ideas, or early design iterations. This, in turn, can foster a greater appreciation for the creative process and the overall experience.