Yet another version of Sega's Vigilante, this 'set 1' designation likely refers to a specific set of ROMs or game board components. Variations in sets could involve slight alterations in gameplay, graphics, or even the inclusion of extra features.  While functionally similar to other versions of Vigilante, the differences highlight the intricacies of arcade game distribution and regional releases.

Vigilante (World, set 1)

Vigilante (version)