The teaching of physiology plays a crucial role in the education of health care professionals. However, traditional approaches to physiology classes in undergraduate health courses in Brazil often result in passive student participation. Research has shown that active methodologies are more effective in the learning process. In this study, we introduce the game "Who Am I?--Cellular Signal Transduction Edition" as an educational tool. This game follows a popular format with well-known rules and aims to enhance understanding of basic concepts related to hormones, cell signaling, and the functioning of the endocrine system. Our findings demonstrate that the game improves student knowledge and fosters enthusiasm and active engagement among participants. Additionally, student feedback has indicated a high level of appreciation for the game. By incorporating active learning strategies and a gamified approach, "Who Am I?--Cellular Signal Transduction Edition" provides a practical and enjoyable way of teaching physiology. This innovative educational tool has the potential to revolutionize physiology instruction. Demonstrating significant improvement in students' understanding, the game underscores its efficacy in enhancing knowledge acquisition and comprehension of cellular signaling and endocrine physiology topics.