Designing arcade machines for rhythm-action games presents several unique challenges that require careful consideration. One of the primary difficulties is ensuring hardware durability, as these machines endure constant physical interaction from players, such as button mashing and foot pedal stomping. Another challenge is achieving precise input latency, as even minor delays can disrupt gameplay and frustrate users. Additionally, creating an engaging and immersive experience demands high-quality audio and visual feedback, which must be synchronized perfectly. Balancing accessibility for casual players while maintaining depth for enthusiasts is also crucial. Finally, the machines must be designed to withstand high traffic in public spaces, requiring robust construction and easy maintenance. Addressing these challenges is essential for delivering a seamless and enjoyable gaming experience.