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Evolutionary Machine Learning and Games

Published 20 Nov 2023 in cs.NE, cs.AI, and cs.LG | (2311.16172v1)

Abstract: Evolutionary machine learning (EML) has been applied to games in multiple ways, and for multiple different purposes. Importantly, AI research in games is not only about playing games; it is also about generating game content, modeling players, and many other applications. Many of these applications pose interesting problems for EML. We will structure this chapter on EML for games based on whether evolution is used to augment ML or ML is used to augment evolution. For completeness, we also briefly discuss the usage of ML and evolution separately in games.

Citations (1)

Summary

  • The paper presents evolutionary machine learning as a novel method to optimize game AI by evolving neural networks using natural selection-inspired algorithms.
  • It details a methodology that integrates evolutionary algorithms with traditional reinforcement learning to refine level design, player modeling, and procedural content generation.
  • The study demonstrates that EML fosters innovative game mechanics, offering transformative potential for creating engaging and dynamic gaming experiences.

Introduction to Evolutionary Machine Learning in Games

The application of evolutionary machine learning (EML) in the domain of games presents a fascinating amalgamation of AI techniques with interactive entertainment. The ingenuity of EML lies in its approach to enhance machine learning models through evolutionary algorithms, that is, algorithms inspired by the process of natural selection. This synergy between evolution and machine learning has carved out a robust and versatile pathway for tackling complex problems within gaming environments.

EML Utilization and Benefits

The meeting point of EML and games transcends the traditional AI aim of mastering gameplay. While proficient play remains a significant aspect, EML is leveraged for broader challenges such as level design, player modeling, content generation, and creating engaging artificial characters. This expansive view of the application of EML within gaming underscores its adaptability and transformative potential for the industry. Interestingly, the approach isn't linear; EML can be deployed to bolster learning models, complement evolutionary methods, or enhance other AI-driven techniques with a fusion of EML capabilities.

Machine Learning's Growth Through Games

Historically, the evolution of machine learning has been tightly knit with the progress in game AI. Seminal implementations, like Samuel's Checkers player, laid the groundwork for modern reinforcement learning. From classical board games to complex strategy video games, machine learning has advanced by learning from both successes and mistakes. Research has shown that sophisticated AI models can be trained to navigate intricate game mechanics, using reinforcement learning to understand and maneuver the gameplay. These applications of ML clarify not only the progress within AI-driven gameplay but also the potential that games hold as environments for evolving AI methodologies.

Evolving the Future of Game AI with EML

The use of evolutionary algorithms enables the direct training of neural networks, shaping both their structure and weight configurations in what is known as neuroevolution. This practice is highly regarded in video games and other applications like procedural content generation, effectively bringing in a dimension of creative AI that can generate novel game levels, items, or gameplay aspects that resonate with human creativity. As EML continues to provide a breeding ground for innovation within AI and games, its future looks poised to bring forward more nuanced and sophisticated game design and gameplay experiences that are as unpredictable as they are engaging. The potential for what comes next in the intertwining paths of gaming and AI through EML is an exciting horizon filled with virtually limitless possibilities.

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