Arcade machines have long been a hub for social gaming, and modern technology allows them to incorporate real-time crowd reactions into gameplay for a more immersive experience. Here’s how they do it:

1. Microphones & Sound Sensors: Many arcade cabinets are equipped with microphones that detect cheers, shouts, or even boos from players and spectators. Games like "Mario Kart Arcade GP" adjust difficulty or trigger special effects based on crowd noise.

2. Motion Sensors & Cameras: Some machines use cameras or motion sensors to track player movements and audience engagement. For example, rhythm games like "Dance Dance Revolution" may speed up or slow down tracks based on group energy.

3. Multiplayer Feedback Loops: Competitive arcade games, such as fighting or racing titles, often amplify in-game effects (like power-ups or obstacles) when the crowd reacts strongly, making the experience more dynamic.

4. Leaderboards & Social Integration: High-score displays and live leaderboards encourage collective excitement, pushing players to perform better as the crowd rallies behind them.

By blending technology with social interaction, arcade machines turn bystanders into active participants, creating unforgettable gaming moments.