Unknown Armies

Unknown Armies or UA is a 1998 TRPG by Delta Green creator John Tynes and Delta Green contributor Greg Stolze. Its world is anthropocentric and therefore thematically opposed to Call of Cthulhu, but there are similarities in other respects.

The 2015 version of Delta Green codifies notions of Violence and Helplessness as distinct sources of stress (challenges to sanity), along with a double-edged possibility of "adaptation" to them. These concepts are a simplified form of the innovative UA sanity system.

copy.png Material relevant to this article has been archived by the Fairfield Project at Using Unknown Armies madness rules in Call of Cthulhu.
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