ROM, ROM set, and romset: Arcade games are packaged as zip files, most of which are composed of more than one individual ‘ROM’ file.
These definitions are taken from RetroArch’s “ Getting Started with Arcade Emulation” guide. The world of arcade games can be confusing, so let’s set some definitions now.
Most everything you’ll want to know is covered in the video above, but here is a written guide.
