The document discusses how to apply game design principles to instructional design. It describes a scenario where two teams compete to design a game about slaying dragons. Throughout the scenario, the teams are presented with design decisions and arguments for why challenges, risk, curiosity and player choices lead to more engaging learning experiences based on research on self-determination theory and motivation. The document concludes by providing five tips for instructional designers to think like game designers such as beginning with activities, creating mystery, challenges, risk, and meaningful choices for learners.