Date of Publication :29th June 2024

Abstract: Globalization impacts various aspects of society, from demographics to culture and politics, making proficiency in a second language essential for job searching and communication. However, students face challenges, such as limited vocabulary, which hinder learning and fluency in the new language. To address this issue, a serious game for mobile devices was developed in Un ity 3D, employing Mobile Learning, Digital Game-Based Learning, Software Engineering, and Artificial Intelligence concepts. This game utilizes an AI-based model to adjust the game difficulty dynamically according to the user's performance. A trial was conducted with 25 students over 30 days, divided into control and test groups. The control group played the game only three days at the beginning and end of the trial period, while the test group played it frequently throughout the 30 days. It was expected that, by the end of the period, the test group, having used the game more, would show better results and a significant increase in their vocabulary compared to the control group. The test group students achieved a 65.12% higher score than the control group students at the end of the test period. This indicates an improvement of 43.60% with respect to the results at the beginning the test period, thus demonstrating the effectiveness of the game as a learning tool for Turkish and English.

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