Elsewise: Authoring AI-Based Interactive Narrative with Possibility Space Visualization

• URL: http://arxiv.org/abs/2601.15295v1
• Date: Sun, 21 Dec 2025 02:06:03 GMT
• Title: Elsewise: Authoring AI-Based Interactive Narrative with Possibility Space Visualization
• Authors: Yi Wang, John Joon Young Chung, Melissa Roemmele, Yuqian Sun, Tiffany Wang, Shm Garanganao Almeda, Brett A. Halperin, Yuwen Lu, Max Kreminski,
• Abstract summary: Generative AI can enable new forms of interactive narrative (IN) by improvisationally expanding on pre-authored content.<n>We introduce Elsewise: an authoring tool for AI-based INs that implements a novel Bundled Storyline concept.<n>A user study shows that our approach improves author anticipation of player-experienced narrative, leading to more effective control and exploration of the narrative possibility spaces.
• Score: 23.460775222928635
• License: http://creativecommons.org/licenses/by-sa/4.0/
• Abstract: Interactive narrative (IN) authors craft spaces of divergent narrative possibilities for players to explore, with the player's input determining which narrative possibilities they actually experience. Generative AI can enable new forms of IN by improvisationally expanding on pre-authored content in response to open-ended player input. However, this extrapolation risks widening the gap between author-envisioned and player-experienced stories, potentially limiting the strength of plot progression and the communication of the author's narrative intent. To bridge the gap, we introduce Elsewise: an authoring tool for AI-based INs that implements a novel Bundled Storyline concept to enhance author's perception and understanding of the narrative possibility space, allowing authors to explore similarities and differences between possible playthroughs of their IN in terms of open-ended, user-configurable narrative dimensions. A user study (n=12) shows that our approach improves author anticipation of player-experienced narrative, leading to more effective control and exploration of the narrative possibility spaces.

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