“…Digital badges, leaderboards, and scoring points have become prominent in gamification (Mekler, et al, 2017). Adding gamification elements can improve motivation and engagement (Imran, 2019;Özhan and Kocadere, 2020). Gamification elements are used in consumer energy consumption applications to reduce consumption and foster sustainability (Mulcahy, Russell-Bennett and Iacobucci, 2020), smart cities to reduce traffic (Cellina, et al, 2020), marketing applications to increase customer commitment, willingness to pay, and to provide customer referrals (Wolf, Weiger and Hammerschmidt, 2020).…”