Designing an arcade machine for skill-based gameplay requires careful consideration of several critical factors to ensure an engaging and rewarding player experience. First, the game mechanics must be intuitive yet challenging, allowing players to improve their skills over time. The controls should be responsive and ergonomic, ensuring smooth interaction. Visual and auditory feedback is essential to keep players motivated, with clear indicators of progress and success. Additionally, the difficulty curve must be balanced to avoid frustration while maintaining a sense of achievement. Finally, the physical design of the machine, including the cabinet and interface, should attract players and enhance immersion. By focusing on these elements, developers can create a compelling skill-based arcade experience.