This book constitutes the refereed proceedings of the 12th International Conference on e-Learning and Games, EDUTAINMENT 2018, held in Xi'an, China, in June 2018. The 32 full and 32 short papers presented in this volume were carefully reviewed and selected from 85 submissions. The papers were organized in topical sections named: virtual reality and augmented reality in edutainment; gamification for serious game and training; graphics, imaging and applications; game rendering and animation; game rendering and animation and computer vision in edutainment; e-learning and game; and computer vision in edutainment.