This document discusses self-organized learning environments and references various frameworks for understanding player motivations and learning journeys. It maps Bartle's player types to the Big 5 personality traits and Dorner's PSI theory of emotion. PSI theory models cognitive, motivational and emotional processes and their interactions. Specifically, it addresses the needs for affiliation, certainty and competence. The document also references Joseph Campbell's concept of the hero's journey and how play, games and drama can support transformation and learning. Overall, it synthesizes several models for understanding motivation, learning and progression in open-ended, self-organized environments.