“…Another finding related to this study is from Jannah et al (2020), which indicated that there was an improvement in students' vocabulary mastery, and online gamebased vocabulary learning had a positive impact on concentration (R. Li et al, 2021) and motivation (Jackson et al, 2022;Shahriarpour & kafi, 2014;Tay et al, 2022). Thus, teachers believed that online games could promote students' learning, shape learning attitudes (Pozo et al, 2022), and encourage their independences (Wei, 2023). Moreover, it is proposed that using online games in teaching vocabulary to students had some purposes (Arintia, Linda;Fitriati, n.d., 2014) such as providing new words in English, increasing their new vocabulary, and helping them to learn vocabulary simply and without difficulty.…”