The Routledge Companion to Games in Architecture and Urban Planning aims to identify and showcase the rich diversity of games, including: simulation games, game-like approaches, game scenarios, and gamification processes for teaching/learning, design and research in architecture and urban planning. This collection creates an opportunity for exchange and reflection on games in architecture and urban planning. Theoretical discussions, descriptive accounts, and case studies presenting empirical evidence are featured; combined with reflections, constructive critical analysis, discussions of connections, and various influences on this field. Twenty-eight international contributors have come together from eleven countries and five continents to present their studies on games in architecture and urban planning, pose new questions, and advocate for innovative perspectives.