# Heka VR > CE-marked medical software platform enabling mental health professionals to deliver avatar therapy in immersive virtual reality. Used in randomised controlled trials across nine countries. Heka VR is operated by Challenge ApS (Copenhagen, Denmark). The platform combines CE-marked Class I medical software (EU MDR 2017/745), validated VR hardware, clinical training and certification, and ongoing clinical supervision for psychiatric professionals delivering avatar therapy to patients with distressing voices and related conditions. ## Pages - [Home](/): Overview of Heka VR and avatar therapy in virtual reality. - [The Platform](/platform): CE-marked medical software, hardware, training, and supervision. - [Evidence](/evidence): Clinical research, randomised controlled trials, and publications. - [For Hospitals](/for-hospitals): How psychiatric services deploy and operate Heka VR. - [For Researchers](/for-researchers): Using Heka VR in clinical studies and trials. - [For Patients & Families](/for-patients): What avatar therapy is and what to expect. - [About](/about): The company, team, and mission. - [Media](/media): Press coverage and broadcast features. - [Investors](/investors): Investor and backer information. - [Contact](/contact): Get in touch with Heka VR. ## Optional - [Privacy Policy](/privacy): GDPR and Danish Data Protection Act overview. - [Cookie Policy](/cookies): Cookie categories and consent. - [Legal / Imprint](/legal): Company details and regulatory status.