This book constitutes the refereed proceedings of the 7th International Conference on HCI in Games, held as part of the 27th International Conference, HCI International 2025, which took place in Gothenburg, Sweden, during June 22–27, 2025.The total of 1430 papers and 355 posters included in the HCII 2025 proceedings was carefully reviewed and selected from thousands of submissions.The HCI-Games 2025 proceedings was organized in the following topical sections:Part 1: Gamification, UX, and Player BehaviorPart 2: Identity, Emotion, and AI in Game ExperiencesPart 3: Gamified Learning and DesignPart 4: Games in Healthcare and Wellbeing