The default setting is a setting that is presented in a role-playing game's rulebook and presumed to be the setting that will be used by any group that plays the game. For instance, the default setting of DC Heroes is the DC comic book universe, although you can run games in other settings.

A game's default setting can be replaced with rules for an alternate setting (possibly published in a supplement for the game) or a homebrew setting.

A default setting that is, in addition, integrated with the game's rules is called an integrated setting.

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