The COVID-19 pandemic may have long-term negative effects on the mental health of university students. More than 80% of students expressed a need for psychological services during the pandemic, yet the current mental health system in the Netherlands cannot meet this demand. There is therefore a dire need for a scalable, cost-effective and validated intervention strategy, that can be rolled out to the entire higher education system in the Netherlands, to manage the impact that the COVID-19 pandemic has on the mental health of students. Multimodal positive psychological interventions (MPPIs) have shown to be effective, scalable solutions that could enhance the mental health of university students. MPPIs are interventions drawing from the positive psychological paradigm which aims to enhance mental health through a combination of strengths-based individual- (e.g. self-help activities, strengths-based coaching) and group developmental initiatives (e.g. training or positive growth groups) that are facilitated ...