Arcade machines have evolved significantly from their classic, fixed-gameplay origins. Modern arcade systems now support downloadable content (DLC) and expansions, much like home consoles and PCs. Here’s how they achieve this:

1. Internet Connectivity: Many contemporary arcade machines are equipped with Wi-Fi or Ethernet ports, allowing them to connect to online servers. This enables seamless downloads of updates, new levels, characters, or game modes.

2. Modular Hardware: Some arcade cabinets feature upgradable components, such as solid-state drives (SSDs) or flash storage, to store additional content. This flexibility ensures games can expand without hardware limitations.

3. Cloud Integration: Advanced arcade systems leverage cloud technology to stream or sync DLC, reducing the need for physical storage while keeping content fresh and accessible.

4. Operator Management: Arcade operators can remotely manage and distribute DLC across multiple machines, ensuring uniformity and reducing downtime for manual updates.

5. Retro Adaptations: Even older arcade games can receive expansions through emulation or re-releases on modern platforms, often bundled with new content.

By embracing digital innovation, arcade machines continue to thrive, offering players dynamic and ever-evolving gaming experiences.