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Benchmarking Imitation and Reinforcement Learning for NPC Players in Casual Video Games (short paper)

This work aims to present the principles from the game design perspective and lessons learned of two techniques adopted for solving the NPC behavior in casual language-oriented games in a Reinforcement Learning discrete and partially observable environment. It might be useful for other game developers as it offers an example of designing companionship in NPCs from the game perspective and to speed up their developments for implementing machine learning in NPC players, showing that a designed heuristic function and Imitation Learning approach can speed up developments with respect to a Reinforcement Learning approach for a deterministic output. The video game Mempathy ​1 Mempathy is a video game narrative experience that transforms the relationship with anxiety. The video game’s goal is to offer a reflective experience, and the winning state is defined by a feeling of advancement and companionship towards this mental health topic. The idea of progress is supported in art by watercolor progression and on discovering a personalized conversation across the different chapters of the game.