This report explores the application of User-Centered Design (UCD) in the development of exergames tailored for the elderly population. It emphasizes the importance of maintaining a good quality of life and promoting independence among seniors through physical activity, highlighting the potential of exergames to improve lifestyle, exercise habits, and reduce the risk of falls. The report discusses the increasing elderly population and the prevalence of sedentary lifestyles, emphasizing the need for interventions that encourage physical activity. It examines how technology-based exercise interventions, specifically exergames, can motivate older adults to exercise regularly, improving cognitive performance, motor skills, and mental health. The report provides an overview of exergames, their benefits in rehabilitation, and their growing popularity as a means to encourage physical activity among the elderly. It also addresses the acceptance of exergames, the importance of user-friendly design, and the need for games that cater to the specific needs of seniors. The report discusses the UCD process, emphasizing the need for designers to understand the physical and cognitive limitations of the elderly to create effective and engaging exergames. It also highlights the importance of game elements such as user interface, theme, and movements, as well as guidelines for designing exergames for senior citizens, including considerations for physical space, sensor technology, and game narratives. In conclusion, the report underscores the role of exergames in promoting physical activity, strength, balance, and flexibility among the elderly, making them a valuable tool in retirement homes, senior centers, and home-based exercises.