Libraries, along with other institutions in the ALM (Archives, Libraries, Museums) community, employ modern information technologies in their operations to bring their content closer to users and sometimes engage them in its creation. One such technology is gamification, a concept aimed at creating a positive experience for users by providing incentives for participation through entertaining and motivating elements. In the context of libraries, gamification can encourage new users to become members, increase library visits, enhance education, and improve the user experience of library services. Examples of gamification in libraries may include scoring for reading a certain number of books, organizing quizzes or competitions, and virtual games that encourage exploration of the book collection, among others. This thesis addresses the concepts of gamification and mass support in the context of gamification and their potential implementation in libraries. In the practical part of the study, a simple narrative puzzle game was created for users of the Faculty of Humanities and Social Sciences at the University of Zagreb and its Library. Testing was conducted with graduate students at the Department of Information and Communication Sciences of the Faculty of Humanities and Social Sciences at the University of Zagreb, and high school-aged players who visited the Faculty and Library during the Open Day of the Faculty of Humanities and Social Sciences in March 2024 were surveyed. The survey aimed to examine the gaming experience, awareness of gamified content, and students' attitudes towards such methods of involving users in library activities.