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Quoth is a dynamic interactive fiction system, in which authoring is done from a player’s perspective, from within the running work. Quoth draws upon the concepts of pervasive anthropomorphisation, executable natural language, and revisionist narrative. The major use of Quoth so far has been for musical livecoding.

pervasive anthropomorphisation

In traditional interactive fiction, the player speaks to an ominiscient interpreter. There may be dialogue with “non-player characters”, but it is mediated by the interpreter. In Quoth the player is always speaking directly to some item in the universe. The traditional omniscient interpreter is represented by the universe itself.

This allows for each item in the universe to have a different vocabulary, or even a different “interpreter” altogether. It also provides the player with more fluid interaction with each item. —Craig Latta —Quoth: a dynamic interactive fiction system (netjam.org)