This study aims to determine the results of developing a student worksheet (LKPD) based on game-based learning that is valid and practical for the topic of Indonesian cultural diversity in Grade V of elementary school. The research used the Research and Development (R&D) method with the ADDIE model, which includes the stages of Analyze, Design, Development, Implementation, and Evaluation. The research subjects were fifth-grade students at SD Negeri 22 Indralaya. Data collection techniques included questionnaires, interviews, and documentation. Data analysis was carried out through validity and practicality analysis. The results of expert validation showed an average percentage of 94.18%, categorized as "very valid." Meanwhile, student responses from one-to-one and small group trials showed a high level of practicality, with an average score of 92%, classified as "very practical." Based on the validation and trial results, it can be concluded that the game-based learning LKPD developed in this study is both valid and practical for use in teaching the topic of Indonesian cultural diversity to Grade V students. This product is expected to enhance students' interest and engagement in learning through an enjoyable and interactive approach.