“…Roohi et al, 2021). Embedded in shipped games and run "online," difficulty-adjustment systems, AI directors, adaptive AI opponents, and matchmaking systems all detect or predict the player's current skill and then select opponents, opponent actions, or features that present an assumed competence-optimal challenge level (Graepel & Herbrich, 2006;Mortazavi, Moradi, & Vahabie, 2024;Paraschos & Koulouriotis, 2023), e.g., finding an equally matched opponent team for an online multiplayer match. Experience-driven procedural content generation systems (Yannakakis & Togelius, 2011) similarly generate whole game levels that are predicted to present optimal challenges to a player.…”