stands for "One Game, One ROM." It is a naming convention and organizational philosophy designed to reduce redundancy. Instead of keeping every regional version, revision, and language pack for a single title, you keep only the single "best" version of each game.
CLRMAMEPro is the industry tool for ROM management. It uses "datfiles" (databases of checksums) to sort your files. nintendo ds 1g1r
Related search suggestions (see suggestions below for follow-up queries you can run) stands for "One Game, One ROM