Arcade machines have evolved to embrace user-generated content (UGC), allowing players to create and share custom levels or mods. While traditional arcade cabinets were closed systems, modern iterations often integrate online connectivity and storage solutions to support UGC. Here’s how they manage it:

1. Built-in Level Editors: Some arcade games include intuitive level editors, enabling players to design stages directly on the machine or via companion apps. These tools often feature drag-and-drop interfaces to simplify creation.

2. Cloud Storage & Sharing: Connected arcade machines leverage cloud services to store and distribute player-created content. Players can upload their levels or mods, which others can download and play, fostering a community-driven ecosystem.

3. Moderation Systems: To maintain quality and safety, arcade platforms may employ moderation tools, such as peer reviews or automated filters, to screen inappropriate or broken content before public release.

4. Hardware Limitations: Unlike PCs, arcade hardware has fixed specs, so mods must adhere to performance constraints. Developers often provide guidelines to ensure compatibility.

5. Retro & Emulation Solutions: For classic arcade games, emulators and modding communities create tools to inject custom content, though this typically happens outside the original hardware.

By blending creativity with technology, arcade machines continue to thrive as platforms for player expression and innovation.