FUSE – Film Under Severe Experiment is an international short film festival focusing on the work of young filmmakers.

The festival is organized by Cinema Club Karlovac (Kinoklub Karlovac) in cooperation with Kino Edison. Cinema Club Karlovac is a non-governmental organization whose primary focus is audiovisual activities. It promotes film and video culture and related arts. Cinema Club Karlovac is a co-organizer of the Youth Film Festival and Four River Film Festival, national and international events dedicated to youth filmmaking. It is also a member of the Youth Cinema Network, a broad network of film professionals, festivals, associations, and organizations. https://kinoklubkarlovac.hr/en/about/
Kino Edison is a cultural and cinematic venue in Karlovac dedicated to film exhibition, education, and the development of audiovisual culture, contributing to the city's vibrant film and cultural scene.

The Festival is supported by the Croatian Audiovisual Centre, the Croatian Film Directors and Producers Association (DHFA), National Foundation for Civil Society Development,  Foundation,  Kultura Nova and the City of Karlovac.