Table 1. Structural elements of the Episodix video game.

Game goal or purpose	Cognitive assessment, detection of cognitive impairments through the assessment of episodic memory.
Target group	Senior people (+55 years old).
Location	A virtual walk around a medium-sized town.
Rules	During the walk, everyday life objects are displayed and players have to recall the maximum number of elements possible.
Challenge	To recall the maximum number of elements actually displayed, trying to avoid objects in the interference lists.
Feedback	Each time a correct object is selected, a star is displayed on top of it to represent a positive score or bonus point.
Engagement	Objects and furniture try to reproduce a realistic and personalized virtual walk, thanks to the dynamic displaying of different types of elements common in an urban environment.