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Set in a fictional universe, often (but not always) with fantastic or supernatural elements, alternate worlds, magic and monsters.

Focused on using its text, moreso than its visuals or audio, to tell the bulk of its story/plot. (Still can have great audio and visuals, though!)

Also known as TTRPG, tabletop role-playing games are tabletop games when you play a character within a set of rules. Typically actions are determined by speech and checked for success via dice rolls.