Mythus may refer to:
*
Mythos
Myth is a genre of folklore consisting primarily of narratives that play a fundamental role in a society. For scholars, this is very different from the vernacular usage of the term "myth" that refers to a belief that is not true. Instead, the ...
, the underlying belief system of a society
* "Mythus", the first and only published setting for the ''
Dangerous Journeys
''Dangerous Journeys'' was a roleplaying game created by Gary Gygax, the cocreator of the original ''Dungeons & Dragons'' system. The game was originally announced as ''Dangerous Dimensions'' but was changed to ''Dangerous Journeys'' in response ...
'' role-playing game, created by Gary Gygax
* ''The Mythus'', an alternative, popular book title for ''Der Mythus des 20. Jahrhunderts'' (''
The Myth of the Twentieth Century'') by Nazi author Alfred Rosenberg
* Mythus, Aeon of Enigmata in
Honkai: Star Rail
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