“…The third subdomain has been emphasized instead by authors such as Calleja (2011), Consalvo (2011), and Martin (2012), who have analyzed the relation between player and avatar; Björk (2012), who has analyzed the role of the player, and Gregersen (2014), who has analyzed the role of freedom. Lately, some researchers (Deterding, 2009;Mosca, 2014;Sageng, 2009) introduced a philosophical discipline named ''social ontology,'' which can summarize all these subdomains, while revolutionizing one of the central theories of game studies, that is, the nature of game rules.…”