“…Most of the identified literature on the design of gamification specifically promote the creation of engaging challenges by the use of patterns known form games (e.g. [11,16,22,24,27,28,33,39]). More particular, they argue for the use of gamedesign patterns and mechanics, such as rewards, points, badges, leaderboards or storytelling, as building blocks [27], and assume that the combinations of these elements can invoke engaging challenges and motivate goal-directed behavior (e.g.…”