4 papers
FootsiesGym: A Fighting Game Benchmark for Two-Player Zero-Sum Imperfect-Information Games
Chase McDonald, Nathan Tsang, Wesley N. Kerr
We present FootsiesGym, an open-source environment for learning in a non-trivial two-player, zero-sum, imperfect-information game. Built on HiFight's minimalist 2D fighting game Fo…
EMAgnet: Parameter-Space EMA Regularization for Policy Gradient Self-Play in Large Games
Tristan Maidment, JB Lanier, Chase McDonald +5
Recent work has established that regularized policy gradient methods such as PPO, when used in self-play, can match or exceed specialized game-theoretic algorithms for solving two-…
CoGrid & the Multi-User Gymnasium: A Framework for Multi-Agent Experimentation
Chase McDonald, Cleotilde Gonzalez
The increasing integration of artificial intelligence (AI) in everyday life brings with it new challenges and questions for regarding how humans interact with autonomous agents. Mu…
Controllable Complementarity: Subjective Preferences in Human-AI Collaboration
Chase McDonald, Cleotilde Gonzalez
Research on human-AI collaboration often prioritizes objective performance. However, understanding human subjective preferences is essential to improving human-AI complementarity a…