STEM Games is an international competition of university students studying in the STEM areas. The goal of the project is to enhance interdisciplinarity, broaden and share knowledge by doing innovative problem-solving exercises as well as to promote university sports and a healthy lifestyle. As a joint initiative of STEM students from Croatia, STEM Games aim to test acquired knowledge and provide an opportunity to meet peers in one major event. The sporting part of the event includes a competition in nine sports with an equal share of women's and men's disciplines. The scientific part of the event introduces an innovative concept of students competing in carrying out four thematic project assignments stemming from each of the fields, namely Science, Technology, Engineering and Mathematics.