This document discusses how video games can be incorporated into education. It begins by defining key concepts like game-based learning, serious games, and virtual worlds. It then explores the learning principles found in games, such as active learning, critical thinking, and feedback. The document examines ways that games can be used in schools, such as for teaching mathematics or foreign languages. It also discusses using games as the school curriculum, for example through role-playing games. The document concludes by considering ways to extend game-based learning through machinima, programming, professional learning communities, and things to consider like collaboration versus cheating.