The NeurIPS 2022 Neural MMO Challenge: A Massively Multiagent Competition with Specialization and Trade

Enhong Liu, Joseph Suarez, Chenhui You, Bo Wu, Bingcheng Chen, Jun Hu, Jiaxin Chen, Xiaolong Zhu, Clare Zhu, Julian Togelius, Sharada Mohanty, Weijun Hong, Rui Du, Yibing Zhang, Qinwen Wang, Xinhang Li, Zheng Yuan, Xiang Li, Yuejia Huang, Kun ZhangHanhui Yang, Shiqi Tang, Phillip Isola

    Research output: Contribution to journalConference articlepeer-review

    Abstract

    In this paper, we present the results of the NeurIPS-2022 Neural MMO Challenge, which attracted 500 participants and received over 1,600 submissions. Like the previous IJCAI-2022 Neural MMO Challenge, it involved agents from 16 populations surviving in procedurally generated worlds by collecting resources and defeating opponents. This year’s competition runs on the latest v1.6 Neural MMO, which introduces new equipment, combat, trading, and a better scoring system. These elements combine to pose additional robustness and generalization challenges not present in previous competitions. This paper summarizes the design and results of the challenge, explores the potential of this environment as a benchmark for learning methods, and presents some practical reinforcement learning training approaches for complex tasks with sparse rewards. Additionally, we have open-sourced1 our baselines, including environment wrappers, benchmarks, and visualization tools for future research.

    Original languageEnglish (US)
    Pages (from-to)18-34
    Number of pages17
    JournalProceedings of Machine Learning Research
    Volume220
    StatePublished - 2023
    Event36th Annual Conference on Neural Information Processing Systems, NeurIPS 2022 - Virtual, Online, United States
    Duration: Nov 28 2022Dec 9 2022

    ASJC Scopus subject areas

    • Artificial Intelligence
    • Software
    • Control and Systems Engineering
    • Statistics and Probability

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