Designing arcade machines for multiplayer co-op games presents unique challenges that require careful consideration. One major issue is hardware durability, as these machines endure intense use from multiple players simultaneously. Ensuring robust joysticks, buttons, and screens is critical. Another challenge is optimizing player interaction—designers must create layouts that allow seamless cooperation without overcrowding. Space constraints also play a role, as arcade cabinets need to accommodate multiple players while remaining compact enough for commercial settings. Additionally, balancing game difficulty for varying skill levels in a co-op environment is tricky. Finally, maintaining engaging gameplay that encourages repeat visits is essential for long-term success. Addressing these challenges ensures a fun and functional multiplayer arcade experience.