隨著已開發國家逐漸步入高齡化社會，高齡人口的快速增長已成為不可忽視的議題。在科技日新月異的後疫情時代，智慧醫療成為新興科技關鍵字，本研究目標案例《寶島探險》，為配戴sEMG穿戴輔具進行遠端復健訓練之遊戲訓練系統，更是智慧醫療的相關體現之一。但作為嚴肅遊戲，其遊戲性的重要性經常被排在功能評估後，然而嚴肅遊戲的成功與訓練有效與否通常與遊戲設計的成敗有關，而好的嚴肅遊戲設計是否同樣能為高齡使用者帶來正面效果是需要被探討的。
本研究採用嚴肅遊戲設計的迭代方法開發了《七音之星》，並對其與《寶島探險》進行了比較，旨在探討遊戲設計對使用者長期參與意願的影響。欲探討符合高齡者需求的復健訓練遊戲，本研究的受測者在各自進行兩款遊戲體驗後，會接受SUS及GEQ兩種層面的量化問卷，並搭配半結構式訪談深入了解使用者需求。本研究最後招募33位受測者，其中包含17位高齡者、16位青壯年。研究結果顯示，《七音之星》在遊戲體驗設計上相較於《寶島探險》能更有效地提升使用者的長時間使用動機。然而，針對高齡者的量化分析發現，兩款遊戲在整體效果上並無顯著差異。《寶島探險》因其簡單且易於上手的操作設計，在促進正向情緒方面甚至優於《七音之星》。然而，《七音之星》在遊戲設計上展現出更高的變化性與沈浸感，能有效減少負面情緒並增強遊戲的趣味性，進而提升受測者參與復健的意願。本研究的實驗結果證實，通過精心設計的遊戲機制，可顯著提高高齡者在長期復健需求下的參與動機，為相關遊戲設計與應用提供了重要參考。

As developed nations face an aging society, the rapid growth of the elderly population has become a pressing issue. In the post-pandemic era, smart healthcare has emerged as a key innovation. This study examines Formosa Explore, a rehabilitation training game utilizing sEMG wearable devices, as an example of smart healthcare. However, as a serious game, its playability is often overlooked despite its crucial role in training effectiveness. This study explores whether well-designed serious games can enhance engagement among elderly users.
Using an iterative design approach, we developed Seven-Tone Star and compared it with Formosa Explore to assess the impact of game design on long-term participation. 33 participants (17 elderly, 16 younger adults) experienced both games, followed by SUS and GEQ assessments and semi-structured interviews. Results show that Seven-Tone Star was more effective in sustaining engagement, yet both games yielded comparable overall outcomes for elderly users. Formosa Explore’s simplicity promoted positive emotions, while Seven-Tone Star’s greater variation and immersion reduced negative emotions and enhanced enjoyment.
Findings confirm that well-designed game mechanics can significantly improve elderly users' motivation for long-term rehabilitation, offering valuable insights for serious game design in healthcare.

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