Mortal Kombat 3 - Special 56 Peoples is an unlicensed, or 'Unl,' version of Mortal Kombat 3 for the NES. 'Special 56 Peoples' could indicate unique character additions or gameplay changes. Unlicensed games often lacked quality control and varied significantly from their official counterparts.  No official developer is credited for these unofficial versions.

Mortal Kombat 3 - Special 56 Peoples (Unl)

Moonball Magic (Japan) (Disk Writer)