Designing arcade machines for therapeutic gaming requires a careful balance of several critical factors to ensure effectiveness and user engagement. First, accessibility is paramount—machines must accommodate users with varying physical and cognitive abilities, featuring adjustable controls, intuitive interfaces, and inclusive design. Second, the games should promote mental health benefits, such as stress relief, cognitive stimulation, or emotional regulation, through engaging and rewarding gameplay. Third, durability and ease of maintenance are essential, as these machines will likely see frequent use in therapeutic settings. Finally, incorporating feedback mechanisms, such as progress tracking or adaptive difficulty, can enhance the therapeutic experience by providing users with a sense of achievement and motivation. By prioritizing these elements, designers can create arcade machines that are not only fun but also impactful tools for therapy.