“…In recent years, research on digital serious games as an educational tool in the various fields of sustainable development has received attention (Janakiraman et al, 2018; Katsaliaki & Mustafee, 2015; Medema et al, 2019). Furthermore, advantages and effects of digital serious games for learning by implementing learning objectives in a playful and motivating environment have been discussed widely (Boyle et al, 2016; Braghirolli et al, 2016; Connolly et al, 2012; Dörner et al, 2016; Iten & Petko, 2016; Kapp et al, 2019; Plass et al, 2015; Wouters & van Oostendorp, 2017; Wouters et al, 2013). Serious games differ from conventional games in that a specific learning goal is formulated at the development stage and considered during game design to achieve a measurable outcome (Dörner et al, 2016; Plass et al, 2015).…”