Zombie Shooter is a 3D single-player first-person shooter (FPS) game developed using C#, Unity, and Blender. The project is inspired by research suggesting that playing FPS games can improve mental flexibility and reaction time due to the need for rapid responses to fast-moving visual elements. The game focuses on action-oriented combat mechanics where players engage in immersive zombie battles from a first-person perspective. Designed to provide an engaging and interactive gaming experience, Zombie Shooter combines realistic gameplay environments, combat systems, and visual effects to attract players interested in exploration and fast-paced action. The project demonstrates the application of modern game development tools and techniques in creating an entertaining and responsive FPS gaming experience.