Table 2.

For each of the identified challenges, an X is added under every review that mentions it.

	Nierhaus (2009)	Fernández and Vico (2013)	Williams et al. (2015)	Herremans et al. (2017)	Lopez-Rincon et al. (2018)	Tatar and Pasquier (2019)	Briot et al. (2020)
Control							X
Narrative Adaptability				X		X
Emotion			X	X
Hybridization		X					X
Rendering	X			X
Structure	X	X		X			X
Mapping	X
Playing Difficulty				X
Evaluation	X	X	X	X	X	X	X
Creativity	X	X					X