A "set" or "bundle" of these files, often organized to save users the time of downloading hundreds of individual titles.
NES Top 100/ ├── 1_Platformers/ ├── 2_RPGs/ ├── 3_Action_Adventure/ ├── 4_Shooters/ ├── 5_Puzzle_Sports/ ├── 6_Nintendo_Hard/ ├── 7_Hidden_Gems/ └── 8_Hacks_Translations (For Japanese Famicom gems like *Sweet Home* or *Holy Diver*) nes+rom+pack+top+100