Arcade machines have evolved to incorporate player-created content, but maintaining quality control is crucial for fair and enjoyable gameplay. Most modern arcade systems use a combination of automated filters and manual reviews to screen user-generated content. Automated tools flag inappropriate or low-quality submissions, while human moderators ensure compliance with community guidelines. Some machines also implement voting systems, allowing players to rate and filter content collectively. Additionally, developers often set technical limits to prevent exploits or poorly designed levels. This multi-layered approach helps maintain a balanced and engaging arcade experience for all players.