Inclusion Criteria:  Postmenopausal women Osteopenia verified by dual-energy X-ray absorptiometry with Lumbar spine or femur T-score between -1 to -2.5 either recommended by the study investigators or verified by a physician in the past one year. current body mass index (BMI) < 30 kg/m2 Patients with Normal balance and no risk of fall checked by Tandem Stance Test (TST)  Exclusion Criteria:  Impairment of communicative and sensorial functions, Impaired Cognition, and Neurological disorders Cardiovascular disease or other chronic conditions that could interfere with their safety during testing or training procedures Pulmonary disease requiring oxygen therapy, Symptomatic orthostatic hypotension, Moderate or severe respiratory failure secondary osteoporosis, arthrosis or known osteoporotic fractures, neoplastic disease Virtual game phobia Games used in past six months Cases with epilepsy