Psychological Mechanisms of Engagement and Immersion in Mobile Gaming: A Case Study of Eggy Party

Eggy Party, a popular casual competitive game developed by NetEase, has rapidly gained a massive player base since its launch, encompassing dozens of game register record in specific. This paper explores the psychological factors influencing player engagement and immersion in games, focusing on and referring to theoretical frameworks such as Flow Theory, Self-Determination Theory (SDT), and Reward Sensitivity Theory. By analyzing the dynamic design of skill-challenge matching in games, this study demonstrates how Flow Theory can enhance player immersion through balanced difficulty adjustments, such as personalized matchmaking systems and progressive challenges in multi-round competitions; examines the role of uncertainty in driving player cognitive engagement, emphasizing elements like exploration-based gameplay, random rewards, and dynamic competition mechanics; and highlights how these game design features leverage psychological concepts to sustain players interest and motivation. Furthermore, practical suggestions are provided to optimize gameplay experiences, including the integration of adaptive difficulty mechanisms, multi-dimensional leaderboard designs, and personalized reward structures. This analysis aims to contribute to the understanding of effective game design strategies and their psychological underpinnings, offering valuable insights for enhancing player experience and satisfaction.