Table 2.

Characteristics of interventions.

First author	Intervention	Serious game name	Serious game type	Serious game genre	Platform	Supervision	Duration (minutes)	Frequency (times/week)	Period (weeks)
Cavallo [31]	Serious games	Brainer	Cognitive training game	Designed	PC	Supervised	30	3	12
Finn [32]	Serious games	E-Prime	Cognitive training game	Designed	PC	Supervised	NRa	2	4
Yang [33]	Serious games	Brain-Care	Cognitive training game	Designed	PC	Unsupervised	60	2	12
Zhuang [34]	Serious games + sham exercises	NR	Cognitive training game	Designed	PC	Supervised	75	3	24
Thapa [35]	Serious games	Juice making, Crow Shooting, Love house, Fireworks	Cognitive training game	Designed	VRb headset, hand controllers	Supervised	100	3	8
Tarnanas [36]	Serious games	Virtual Reality Museum	Cognitive training game	Designed	VR headset	Supervised	90	2	21
Singh [37]	Serious games	COGPACK	Cognitive training game	Designed	PC	Supervised	75	2	25
Amjad [38]	Serious games	Body and Brain Exercises	Cognitive training game	Purpose-shifted	Xbox console, Kinect	Supervised	25-30	5	6
Hagovská [39]	Serious games + conventional exercises	CogniPlus	Cognitive training game	Designed	PC	Supervised & unsupervised	30	2	10
van Santen [40]	Serious games	NR	Exergame	Designed	Stationary bike & screen	Unsupervised	NR	5	25
Karssemeijer [41]	Serious games	NR	Exergame	Purpose-shifted	Stationary bike & screen	Supervised	30-50	3	12
Liao [42]	Serious games	Tano and LongGood	Exergame	Designed	Kinect, VR headset	Supervised	60	3	12
Flak [43]	Serious games	Cogmed	Cognitive training game	Designed	PC	Unsupervised	30-40	5	5
Hyer [44]	Serious games	Cogmed	Cognitive training game	Designed	PC	Supervised & unsupervised	40	7	5-7
Park [45]	Serious games	CoTras	Cognitive training game	Designed	PC	Supervised	30	3	10
Lee [46]	Serious games	Bettercog	Cognitive training game	Designed	PC	Supervised	30	4	3

^aNR: not reported.

^bVR: virtual reality.