To successfully manage a library of 9,000 games, RetroArch uses specialized tools to keep things organized:
: Many 9,000-game archives are built around MAME (Multiple Arcade Machine Emulator) sets. Because arcade games often come in many versions (clones, regional variants, and parent sets), these archives can quickly reach thousands of entries. RetroArch 9000 ROMs
Large-scale collections like these are popular because they eliminate the tedious process of searching for individual files. While the specific contents of a "9000 ROM pack" can vary, they generally include: To successfully manage a library of 9,000 games,
: Some packs are hand-picked to avoid "filler" (like non-functional prototypes or duplicate sports titles), focusing instead on top-rated classics. How to Use Large ROM Collections in RetroArch and parent sets)