“…From these 25 publications about education, 9 articles were theoretical, reviewing other articles about current research and the application of gamification in the Chart 2 Publications since 2012: subject areas Chart 3 Publications about gamification in education since 2012 learning process (Barneva, Kanev, Kapralos, Jenkins, & Brimkov, 2017;Dichev & Dichev, 2017;Doherty et al, 2017;Harviainen, 2014;Karagiorgas and Niemann, 2017;Kim, 2015;Markopoulos, Fragkou, Kasidiaris, & Davim, 2015), offering datasets from research about experiments implementing gamification in online learning (Tenório et al, 2017) and on the learning performance of digital skill (De-Marcos et al, 2017).…”