Arcade operators face significant challenges maintaining machine performance in high-humidity environments, where moisture can cause corrosion, electrical shorts, and component failure. To combat these issues, professionals implement multi-layered strategies. First, they prioritize environmental control through industrial dehumidifiers and HVAC systems that maintain consistent humidity levels below 60% RH. Secondly, operators use physical protections including silicone conformal coatings on circuit boards, waterproof seals around cabinets and coin mechanisms, and desiccant packs placed strategically inside machines. Regular maintenance routines involve thorough inspections for moisture accumulation, cleaning electrical contacts with specialized solvents, and immediately addressing any condensation sightings. Many operators in coastal or tropical regions also install stainless steel components instead of standard materials to resist rust. Additionally, they implement proactive measures such as elevating machines off concrete floors, ensuring proper ventilation around equipment, and using moisture-absorbent mats in high-traffic areas. The most successful operators combine these technical solutions with disciplined operational protocols, including daily power-up sequences that gradually heat components to evaporate ambient moisture and detailed logging of humidity levels alongside maintenance activities. Through these comprehensive approaches, arcade businesses can reliably protect their valuable equipment from humidity-related damage while ensuring consistent player experience.