Designing arcade machines for multiplayer cooperation presents unique challenges that blend hardware, software, and user experience. One major hurdle is ensuring seamless player interaction, as crowded controls and limited space can hinder gameplay. Hardware durability is another concern, as cooperative play often involves intense physical input, requiring robust components. Synchronization issues may arise, especially in fast-paced games, where lag or desync can ruin the experience. Additionally, balancing difficulty for varying skill levels is critical to keep all players engaged. Finally, designing intuitive interfaces that accommodate multiple users without confusion adds another layer of complexity. Addressing these challenges is essential for creating immersive and enjoyable cooperative arcade experiences.