This volume LNCS constitutes the refereed proceedings of the 13th International Conference on Games and Learning Alliance, GALA 2024, held in Berlin, Germany during November 20-22, 2024. The 30 full papers and 15 short papers were carefully reviewed and selected from 103 submissions. They focus on Designing for Engagement; , Sustainability and Environmental Literacy in Serious Games; Detecting Deception and Developing Leadership; Futures Literacy; Serious Games for Health and Immersive Learning.