Table 3.

Summarizing key differences and similarities between gambling and gaming communities in relation to gambling and monetary gaming

	Gambling	Gaming
External communities	Gambling-related discussion forums (e.g., for discussions on gambling in general, gambling tips and problem gambling)	Game-specific discussion forums, game review forums
In-game communities	In-game interaction tools in online poker and social casino games	Community aspect inherently embedded (e.g., in MMORPGs)
	In-game community aspect not central
Community role in gambling/monetary gaming	Normalize gambling and involve risks for excessive gambling	In-game interaction is an essential part of gaming experience
	Feedback from the community helps to develop poker skills	Identifying with a gaming community drives game-related purchase intentions
	Reinforce gambler identities	Gamers help each other to better game performance and provide information of virtual items
	Utilizing in-game interaction is associated with non-problematic forms of gambling	Reinforce gamer identities
Community role in problematic gambling/monetary gaming	Critical feedback from the community may protect from maladaptive gambling habits	Not examined in the included studies
	Peer-support in gambling problem forums helps to cope with one’s gambling problem and aiming for recovery
	Important in (re)constructing problem gambler identities