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2. Aupers, Stef (2015): “Spiritual Play: Encountering the Sacred in World of Warcraft.” In: Valerie Frissen; Sybille Lammes; Michiel de Lange; Jos de Mul; Joost Paessens, Playful Identities: The Ludification of Digital Media Cultures, Amsterdam: Amsterdam University Press, pp. 75–92.
3. BioWare (2009): Dragon Age: Origin, Redwood City, NC: Electronic Arts.
4. BioWare (2014): Dragon Age: Inquisition, Redwood City, NC: Electronic Arts.
5. Blizzard Entertainment (2004): World of Warcraft, Paris: Vivendi.