Inclusion Criteria:  Post-stroke aphasia ≥ 3 months from stroke Age 18-75 years Finnish as a native language Relative have the motivation and willingness to support person with aphasia in rehabilitation process At least some level of spoken output Moderate-to-severe aphasia Deficit in a word retrieval process  Exclusion Criteria:  Participation in other intervention study during the study Participation in other traditional speech and language therapy during the VR-intervention (i.e. 9-10 weeks period). Severe and current psychotic disorder Dementia/other neurodegenerative disease History of previous stroke (/strokes) if not recovered, excluding TIAs (the criteria for the recovery: no residual aphasia or other disabilities caused by stroke which would affect in significant manner on everyday life) Active epilepsy / migraine (< 3 years) Severe apraxia of speech Inability to act according to given instruction Severe neuropsychological disorder or the decline of cognitive / memory functions, which would significantly affect for training during the VR-intervention Vision or hearing impairment which would prevent the use of VR HMD if the participant's treatment or medication is unsuitable with the use of VR HMD device as assessed by the physician if the participant has the pacemaker or implantable (electric) medical device