Table 6.

Characteristics of included interventions in studies comparing serious gaming/gamification and another type of serious gaming/gamification intervention.

Study	Intervention type	Intervention duration	Intervention frequency	Intervention intensity	Control
Adams et al 2012 [31]	FPSa COTSb intervention	6 weeks	Weekly	Mean of 5.7 (SD 1.3) hours	Non-FPS COTS intervention
De Araujo et al 2016 [42]	Surgical COTS intervention (SurgG)	Access for 3 weeks	—c	Mean of 647 minutes per week	Usual learning (ContG), FPS COTS (ShotG), Racing COTS (RaceG) interventions
Hedman et al 2013 [24] and Kolga et al 2009 [25]	Systematic video game training with FPS COTS intervention	5 weeks	5 days per week	30-60 minutes	Non-FPS COTS intervention
Ju 2011 et al [34]) and Ju et al 2012 [33]	Wii COTS intervention	30 minutes	Once	—	Play Station 2 COTS intervention
Kerfoot et al 2012 [15]	Online spaced-education game - 4 questions every 4 days	8-42 days	—	—	Spaced-education game – 2 questions every 2 days
Kolga et al 2008 [26]	FPS COTS intervention	5 weeks	5 days per week	30 minutes	2D non-FPS COTS intervention

^aFPS: first-person shooter.

^bCOTS: commercial off the shelf.

^cNot available.