Playing with Persiflage: The Impact of Free-Form Dialogue on the Play of Computer Role Playing Games

  • Bernard Cheng
  • T. C. Nicholas GrahamEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11863)


Digital games struggle to blend compelling narrative with interactivity. For example, computer role-playing games (CRPGs) allow players the freedom to explore an open world, yet limit their interaction with the world’s inhabitants to selecting from pre-determined dialogue choices. In this paper, we explore how players behave when truly free-form dialogue with non-player characters (NPCs) is supported. In the novel Persiflage game, players converse with NPCs using speech. NPCs are in turn voiced by a human, allowing truly free-form conversation. Through a study of five groups playing the game, we show how players converse, interact, and play using natural language.


Game design Natural language in games 



The authors wish to thank the Natural Sciences and Engineering Research Council of Canada (NSERC) for its support of this research.

Supplementary material

Supplementary material 1 (mp4 109957 KB)


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Copyright information

© IFIP International Federation for Information Processing 2019

Authors and Affiliations

  1. 1.School of ComputingQueen’s UniversityKingstonCanada

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