TABLE 2. Serious Games for Different Symptoms in Different Dementia Stages.

Stages	Game types	Related literature	Games	Improved abilities
Early Stage	Cognitive	Byun et al. [35]	Fitt&Hick Game	Discernment Short-term memory Reaction
		Kitakoshi et al. [36]	Memory Game	Reaction Memory
		Boletsis et al. [37]	Pinball Recall	Problem solving Logical reasoning
		Anguera et al. [38]	NeuroRacer	Hand-eye coordination
		Tost et al. [39]	Smart Ageing	Memory Attention Spatial orientation
Middle Stage	Cognitive	Tong et al. [40]	Executive Timed Target Game	Reaction
		Imbeault et al. [41]	Point-click Game	Planning Objects recognizing
		Lin et al. [42]	Planting Game	Observation
		Hamada et al. [43]	Pet-type Robot	Communication Observation Body movement
		Tapus et al. [44], [45]	Socially Assistive Robot	Communication Memory
	Physical	Soares et al. [46]	SIRTET Game	Balance Muscle strength
		Jung et al. [47]	Wii	Overall well-being
		Agmon et al. [48]	WiiFit	Balance Attention and coordination Quick motor response
	Integrated (cognitive &physical)	Unbehaun et al. [49]	Exergame	Memory Limbs and muscles strength
		de-Urturi et al. [50]	Kinect-based Virtual Game	Body movement Objects recognizing
		Kayama et al. [51]	Kinect-based Exercise Game	Fall prevention Planning
		Chilukoti et al. [52]	Assistive Technology System	Muscle strength Problem solving Memory
		AAB Arntzen [53]	Learning Game	Cognitive abilities Physical abilities
Late Stage	Cognitive	N/A
	Physical	N/A
	Integrated (cognitive&physical)	N/A