Arcade game developers craft meaningful social interactions by integrating multiplayer features, cooperative gameplay, and competitive elements. They design intuitive mechanics that encourage teamwork, such as shared objectives or real-time communication tools. Leaderboards and in-game rewards foster friendly competition, while social hubs or lobbies allow players to connect organically. Developers also leverage data analytics to refine interactions based on player behavior. By balancing accessibility with depth, they ensure games remain engaging for both casual and hardcore audiences, creating memorable shared experiences.