FightLadder: A Benchmark for Competitive Multi-Agent Reinforcement Learning

• URL: http://arxiv.org/abs/2406.02081v2
• Date: Mon, 24 Jun 2024 03:38:46 GMT
• Title: FightLadder: A Benchmark for Competitive Multi-Agent Reinforcement Learning
• Authors: Wenzhe Li, Zihan Ding, Seth Karten, Chi Jin,
• Abstract summary: We present FightLadder, a real-time fighting game platform, to empower competitive MARL research. We provide implementations of state-of-the-art MARL algorithms for competitive games, as well as a set of evaluation metrics. We demonstrate the feasibility of this platform by training a general agent that consistently defeats 12 built-in characters in single-player mode.
• Score: 25.857375787748715
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Recent advances in reinforcement learning (RL) heavily rely on a variety of well-designed benchmarks, which provide environmental platforms and consistent criteria to evaluate existing and novel algorithms. Specifically, in multi-agent RL (MARL), a plethora of benchmarks based on cooperative games have spurred the development of algorithms that improve the scalability of cooperative multi-agent systems. However, for the competitive setting, a lightweight and open-sourced benchmark with challenging gaming dynamics and visual inputs has not yet been established. In this work, we present FightLadder, a real-time fighting game platform, to empower competitive MARL research. Along with the platform, we provide implementations of state-of-the-art MARL algorithms for competitive games, as well as a set of evaluation metrics to characterize the performance and exploitability of agents. We demonstrate the feasibility of this platform by training a general agent that consistently defeats 12 built-in characters in single-player mode, and expose the difficulty of training a non-exploitable agent without human knowledge and demonstrations in two-player mode. FightLadder provides meticulously designed environments to address critical challenges in competitive MARL research, aiming to catalyze a new era of discovery and advancement in the field. Videos and code at https://sites.google.com/view/fightladder/home.

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