Designing arcade machines for military or training purposes requires a unique approach to ensure they meet the rigorous demands of such environments. Key considerations include durability, as these machines must withstand harsh conditions and frequent use. The simulation accuracy is critical to provide realistic training scenarios that mimic real-world situations. User engagement is another vital factor, as the design should encourage prolonged use without causing fatigue. Additionally, the interface must be intuitive to accommodate users with varying skill levels. Finally, incorporating modular components can allow for easy upgrades and maintenance, ensuring long-term usability. By addressing these factors, arcade machines can effectively serve as valuable tools in military and training applications.