“…Roger Caillois categorizes play within four different types [13], building on the Greek terms: (1) Agon, referring to games of a competitive nature, (2) Alea, pertaining to games of chance, such as casino games, (3) Mimesis, referring to role playing and (4) Ilinx, which encompass aspects of extreme sports that provide adrenaline rushes and even taking hallucinogenic substances or riding rollercoasters. Games are one of the most extensively studied forms of play, both in academia in general [13,40,81], as well as around technology more specifically [42,52,69,83]. We discuss games throughout, in the common, everyday understanding of the term, encompassing all these different forms.…”