Inclusion Criteria:  Clinical diagnosis of MS Able to provide written informed consent and understand instructions Able to play the exergames by stepping and weight shifting Able to walk at least 12m with or without walking aid Visual acuity with correction sufficient to work on a TV screen  Exclusion Criteria:  Presence of musculoskeletal conditions that affect training performance Excessive fatigue that impairs training participation Exercise intolerance that prevents training participation Rapidly progressive or terminal illness Acute or unstable chronic illness