Many people suffer from a decline in their motor abilities and their sense of balance. Such complications are often related to a sedentary life style or specific illnesses. Physiotherapy can help with improving the situation, however, a lack of motivation to perform repetitive exercises, as well as achieving an adequate quality of execution and level of exertion are considerable challenges. Motion-based games for health (MGH) can motivate patients and support them in performing such exercises. But the important interaction between therapists and patients is often not sufficiently considered in MGH design and therapists’ means for intervention and adjustment of such games are limited. We integrate local live direction into MGH, enabling simultaneous adjustments by the therapist while the patient is playing. We evaluated our prototype with 9 therapists, collecting feedback on usability, user experience, and practical applicability. Our results show that the concept was received well, as evidenced by excellent quantitative usability ratings and very positive qualitative feedback.