This project involves designing a limited-time event featuring a reflex-based mini-game to enhance user engagement within a competitive gaming platform, developed in collaboration with Zynga Game Network India. Drawing on nostalgic arcade mechanics and contemporary player expectations, the initiative aimed to deliver compelling, interactive experiences. User-centered research and competitor analysis informed key decisions around gameplay loops, reward structures, and player motivation. The design process followed agile methodologies, emphasizing rapid prototyping, testing, and iteration. A structured level progression system, power-up mechanics, milestone-based rewards, and event-specific tasks were developed to improve retention and satisfaction. Entry tokens and intuitive user flows ensured seamless integration with the core game experience. The project was documented through detailed user flows, wireframes, and prototypes, supporting clarity and scalability. The final outcome is a robust, monetizable event framework that balances creative innovation, functional design, and data-driven insights to drive sustained player engagement and platform growth.