Designing an arcade game for replayability requires a careful balance of several key factors. First, engaging game mechanics are essential—simple yet deep controls and mechanics keep players coming back. Second, a well-paced difficulty curve ensures challenges remain satisfying without becoming frustrating. Third, rewarding progression systems, such as unlockable content or high-score leaderboards, motivate players to improve. Additionally, visual and auditory feedback, like satisfying sound effects and vibrant graphics, enhances the overall experience. Finally, randomized elements or dynamic levels can add unpredictability, ensuring no two playthroughs feel the same. By focusing on these elements, developers can create arcade games that players return to time and again.