If you see a set claiming “0001–4851 + unnumbered,” it usually means:
For emulation fans, this range covers ~95% of the official library across all regions. Many frontends still use these numbers for sorting. Nintendo DS Roms 0001 - 4851 Some Unnumbered ...
: Files often include the group name that "dumped" the game (e.g., If you see a set claiming “0001–4851 +