الفهرس 
Chapter I: The Problem and Its significanceOnly 14 pages are availabe for public view
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Abstract
This study aimed to investigate the effectiveness of using interactive digital games inside classrooms to enhance preparatory school students’ vocabulary retention and grammar achievement. The study was conducted during the second semester of 2021/2022, in which 60 participants were enrolled in the experimental group (30 participants) and the control group (30 participants in the control group). The researcher taught the experimental group using digital games, while the control group was taught regularly by another qualified teacher. The data for this study were obtained using the grammar pre posttest, the vocabulary pre posttest, and class observations documented by photos. The study lasted for two months. During the training, students were introduced to competitive and interactive online games to boost their vocabulary and grammar skills. The findings revealed that there was a statistically significant difference in the mean scores of the posttests. The results demonstrated that the experimental group exceeded the control group in the scores of the post and delayed tests by learning by digital games, and the statistical results were favorable. Accordingly, it was revealed that digital games can help students retain unfamiliar vocabulary and enhance their grammar Achievement.