Arcade machines have evolved significantly from their fixed-function predecessors to embrace modular upgrade systems that ensure long-term viability. Modern arcade cabinets achieve future-proofing through several key approaches. The JAMMA standard provides a universal wiring harness that allows different game boards to be swapped without rewiring. Many manufacturers now implement modular PCB designs with standardized interfaces, enabling processors, graphics cards, and memory to be upgraded independently. Service-oriented architecture in software allows game engines and content to be updated while preserving the core system. Field-upgradable components like displays and control panels use standardized mounting and connectivity. Cloud integration capabilities permit content streaming and remote updates. These modular approaches reduce obsolescence risks while maintaining the authentic arcade experience. Arcade operators benefit from extended hardware lifecycles and reduced total cost of ownership. The modular design philosophy also supports customization for different markets and player preferences. Through these strategic upgrade paths, arcade machines maintain relevance despite rapid technological changes in the gaming industry.