This study aims to determine the effect of the Game Based Learning model on students' learning interest in Natural Sciences (IPA) subjects in the third grade at MI Nurul Huda 3 Kota Bogor. The research method used was quantitative with a quasi-experimental approach and a Nonequivalent Control Group Design. The research sample consisted of two classes: the experimental class which used the Game Based Learning model, and the control class which used conventional learning. The instrument used was a learning interest questionnaire that had been tested for validity and reliability. The results showed a significant increase in learning interest among students in the experimental class after the implementation of the Game Based Learning model. Based on the t-test statistical analysis, a significance value of < 0.05 was obtained, indicating a significant effect of the Game Based Learning model on students' learning interest. Therefore, this model is recommended as an effective alternative to enhance student engagement, especially in science learning.
                        
                        
                        
                        
                            
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