Designing an arcade machine for live audience interaction requires careful planning to ensure an engaging and immersive experience. Here are the key considerations:

1. Multiplayer Functionality: Incorporate multiplayer modes to encourage group participation and competition, enhancing social interaction.

2. Intuitive Controls: Use simple, responsive controls that are easy to learn but challenging to master, catering to both casual and hardcore gamers.

3. Visual and Audio Appeal: High-quality graphics and dynamic sound effects captivate players and spectators, creating a lively atmosphere.

4. Durability and Maintenance: Arcade machines must withstand heavy use, so robust materials and easy-to-replace components are essential.

5. Audience Engagement Features: Add elements like leaderboards, live scoring, or spectator modes to keep the audience involved even when they’re not playing.

By focusing on these aspects, designers can create arcade machines that thrive in social settings and deliver unforgettable gaming experiences.