Table 2.

Characteristics of the interventions (N=18).

Study	Serious game name	Serious game type	Platform	Supervision	Duration (minutes)	Frequency (times per week)	Period (weeks)
Valdes et al [46]	SOPT	Cognitive training game	PC	Supervised	60	2	5
Zhuang et al [47]	NRa	Cognitive training game	PC	Supervised	75	3	24
Hagovská et al [48]	CogniPlus	Cognitive training game	PC	Supervised and unsupervised	30	2	10
Singh et al [49]	COGPACK	Cognitive training game	PC	Supervised	75	2	25
Gooding et al [50]	BrainFitness	Cognitive training game	PC	Supervised and unsupervised	60	2	17
Liao et al [51]	Tano and LongGood	Exergame	Kinect, VRb headset	Supervised	60	3	12
Finn and McDonald [52]	E-Prime	Cognitive training game	PC	Supervised	NR	2	4
Park and Park [53]	CoTras	Cognitive training game	PC	Supervised	30	3	10
Cavallo et al [54]	Brainer	Cognitive training game	PC	Supervised	30	3	12
Leung et al [55]	BrainFitness	Cognitive training game	PC	Unsupervised	60	3	13
Yang and Kwak [56]	Brain-Care	Cognitive training game	PC	Unsupervised	60	2	12
Tarnanas et al [57]	Virtual Reality Museum	Cognitive training game	VR headset	Supervised	90	2	21
Flak et al [58]	Cogmed	Cognitive training game	PC	Unsupervised	30-40	5	5
Herrera et al [59]	NR	Cognitive training game	PC	Supervised	60	2	12
Savulich et al [60]	Game Show	Cognitive training game	Tablet	Supervised	60	2	4
Boller et al [61]	NR	Cognitive training game	PC	Supervised	7-10	3	2
Karssemeijer et al [62]	NR	Exergame	Stationary bicycle and screen	Supervised	30-50	3	12
Hyer et al [63]	Cogmed	Cognitive training game	PC	Supervised and unsupervised	40	7	5-7

^aNR: not reported.

^bVR: virtual reality.