Designing arcade games that foster social interaction requires a thoughtful blend of mechanics, aesthetics, and player engagement strategies. Here are the key factors to consider:

1. Multiplayer Mechanics: Incorporating cooperative or competitive multiplayer modes encourages players to interact directly, whether through teamwork or friendly rivalry.

2. Shared Play Spaces: Designing games where players share the same physical or virtual space, like side-by-side cabinets or split-screen modes, promotes spontaneous communication.

3. Rewarding Teamwork: Games that reward collaborative efforts—such as shared high scores or unlockable content—motivate players to engage with one another.

4. Simple, Intuitive Controls: Easy-to-learn controls lower barriers to entry, allowing more players to join in and interact without frustration.

5. Social Features: Integrating leaderboards, chat functions, or in-game celebrations (like high-fives or taunts) enhances the communal experience.

By focusing on these elements, designers can create arcade games that not only entertain but also bring people together.