The development of historical thinking in students using active methodologies is an unavoidable opportunity to approach key events in the history of humanity, such as the Nuremberg trials. This chapter presents a proposal for gamification in the classroom through role-playing using a card game designed ad hoc in order to develop historical empathy in students. The objectives of this proposal are to determine the responsibilities of individuals and organisations for the execution of the German extermination programme, decide the seriousness of the facts proven through documentation and sources provided, value respect for life and tolerance as the foundations of democracy and human rights, investigate and become aware of the crimes committed by those involved, and value respect for life and tolerance as the foundations of democracy and human rights. This activity introduces students to a controversial topic such as the Nuremberg trials through activities such as the creation of a preliminary commission, the performance of the trial, and a debate.