Designing arcade machines for cruise ships requires addressing unique maritime challenges while delivering exceptional passenger entertainment. The primary consideration is marine-grade durability, as machines must withstand corrosive saltwater environments, constant vibration, and humidity fluctuations. This necessitates specialized materials, conformal-coated electronics, and robust cabinet construction. Space optimization becomes critical in shipboard environments where every square foot counts, requiring compact footprints and potential multi-game configurations. Safety compliance extends beyond standard requirements to include stringent maritime regulations, seismic bracing for rough seas, and child-safe designs that account for ship motion. Power systems must accommodate international voltages and ship-specific electrical configurations while maintaining strict electromagnetic interference controls to avoid disrupting navigation equipment. Game selection should cater to diverse international passengers with universal themes, multiple language options, and varying skill levels. Maintenance accessibility is paramount, with front-serviceable components and extended part lifecycles due to limited port access for repairs. Revenue integration must seamlessly connect with shipboard payment systems and passenger accounts while offering both coin and card options. The user interface requires special attention for stability during vessel movement, with considerations for larger buttons, shorter joystick throws, and non-slip surfaces. Finally, aesthetic design should complement ship interiors while withstanding constant passenger traffic, utilizing marine-grade laminates and UV-resistant graphics to maintain appearance throughout extended contracts. These specialized considerations transform standard arcade design into purpose-built maritime entertainment solutions that withstand unique operational demands while maximizing passenger engagement and revenue generation during voyages.