The HERA project was presented in Erasmus+ days, a celebration of Erasmus+ projects and outcomes, which took place on October 14 – 16, 2021. The event took place virtually. It was an invited presentation in the context of a 3-day Erasmus+ event organizez by the Daissy team of the Hellenic Open University. The audience had the opportunity to reflect on the benefits of problem-based learning and experience a live demonstration of the HERA game. Discussion followed on the importance of digital skills and digital technologies in learning see the presentation