隨著開放世界遊戲與數位遊戲服務化趨勢的發展，遊戲已逐漸由一次性娛樂產品轉變為可持續經營的互動服務。玩家在遊戲中的參與不再僅止於遊玩本身，亦延伸至對加值內容與系列作品的後續支持。因此探討遊戲特徵如何影響玩家的遊戲體驗，並進一步影響其後續購買意圖，具有重要的研究價值。

本研究以一般遊戲玩家為研究對象，從玩家觀點建構玩家所感知之遊戲特徵、遊戲體驗與後續購買意圖之整合架構，探討不同遊戲特徵如何透過玩家在遊玩過程中的主觀體驗，影響其對 DLC 與續作的購買意圖。研究中將遊戲特徵區分為兩個面向，分別為累積成就感與情緒釋放動機；遊戲體驗則包含遊戲享受、控制感、專注程度與逃離感四個構面。研究採問卷調查法蒐集資料，並以結構方程模型進行分析與驗證。

研究結果顯示，不同遊戲特徵確實會影響玩家的遊戲體驗，且不同體驗構面對後續購買意圖的作用並不相同。控制感與專注程度對續作購買意圖具有顯著正向影響；控制感與逃離感則對 DLC 購買意圖具有顯著正向影響。另一方面，遊戲享受對 DLC 購買意圖呈現顯著負向影響，顯示正向體驗未必會直接轉化為加購意願，付費決策仍會受到價值評估影響。

本研究有助於補充過去較少從玩家主觀體驗出發探討後續付費支持行為的研究 缺口，並可作為遊戲開發者與營運者在規劃成長系統、情緒體驗設計與後續內容策略時之參考。

As open-world games continue to expand, digital games have gradually shifted from one- time entertainment products to ongoing interactive services. Under this trend, it is increasingly necessary to understand how specific game features shape players’ in-game experiences and, in turn, influence their post-game purchasing decisions. Instead of focusing only on gameplay duration or retention, this study examines how players’ subjective experiences during gameplay are connected to their later behavioral intentions.

Grounded in flow theory, this study develops an integrated framework linking game features, flow-related experiences, and post-purchase intention. Two game features are emphasized. One is accumulated achievement, which reflects players’ sense of progress, collection, and the gradual buildup of in-game resources and accomplishments. The other is emotional venting, referring to the use of games as a channel for emotional release and temporary relief from real-life stress. These features are expected to affect players’ game experiences, including enjoyment, control, concentration, and a sense of escape from reality.

Empirical data were obtained from an online survey of general game players, while open- world games were used as a contextual example, and the research framework was tested with structural equation modeling. Post-purchase intention was represented by two forms of support behavior: intention to purchase downloadable content and intention to purchase sequels. This study aims to explain how different game features contribute to players’experiential states and how those states further shape their willingness to keep investing time and money in a game or its franchise.

The findings contribute to the literature by extending flow theory to the context of long-term game engagement and post-purchase behavior. In practical terms, the results offer implications for game developers and publishers seeking to design progression systems, emotional engagement mechanisms, and content strategies that strengthen player value and support sustainable game operations.

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