Arcade game developers craft high spectator engagement by focusing on dynamic gameplay, competitive elements, and visually appealing designs. Multiplayer modes encourage social interaction, while leaderboards and real-time feedback keep audiences invested. Developers also use bright graphics, intuitive controls, and fast-paced action to hold attention. Incorporating live-streaming features and community events further boosts engagement, making arcade games thrilling for both players and viewers. By blending interactivity and excitement, these games create unforgettable experiences that captivate audiences.