“…Eight studies (Lameras et al, 2014;Meletiou-Mavrotheris and Prodromou, 2016;Sousa and Costa, 2020;Gordillo et al, 2021;Kelleci and Aksoy, 2021;Zetzmann et al, 2021;Casanoves et al, 2022;Sica et al, 2022) proposed training programs that used DGBL to improve and foster teachers' and pre-service teachers' skills in different fields: e-safety area (Gordillo et al, 2021), teaching skills and classroom management (Lameras et al, 2014;Kelleci and Aksoy, 2021;Zetzmann et al, 2021;Sica et al, 2022), TPACK on game-enhanced mathematics learning (Meletiou-Mavrotheris and Prodromou, 2016), Media and Information Literacy (MIL) skills (Sousa and Costa, 2020), Science and genetics (Casanoves et al, 2022). Sousa and Costa (2020), for example, proposed a 36-h training program to foster teachers' MIL competencies. The main goal was to provide teachers with the appropriate skills to create digital games for their students, working in groups.…”