Inclusion Criteria:  Be at least 18 years of age and younger than 59 years of age Speak English as their primary language Have had a previous TBI at least one year prior\  Exclusion Criteria:  Have contraindications to moderate or high intensity physical activity, based on the Physical Activity Readiness Questionnaire (PAR-Q) Have a history of psychiatric illness (ex: major depression, bipolar disorder, schizophrenia), neurological disorders beyond TBI (ex: stroke, seizure disorder), or substance abuse Currently use medications that might impact cognition (ex: steroids, benzodiazepines, neuroleptics) Be currently pregnant Have visual impairments not otherwise corrected by contact lenses (ex: stereo blindness, colorblindness) Have a high likelihood of motion sickness