Before 1G1R sets became popular, the common practice was to download "Full ROM Sets" from databases like No-Intro or GoodSets. While comprehensive, these sets are bloated. For example, a full No-Intro SNES set might contain over 3,500 ROMs, but due to multiple regional releases (USA, Japan, Europe, Asia) and revisions (v1.0, v1.1, v1.2), you might only have 1,750 unique games .
Tonight, open your own hard drive. Look at the chaos. Ask yourself: If I could only keep one file from this year, which one would it be?
The collection typically follows a strict hierarchy for selecting which ROM to keep. The standard order of preference usually prioritizes: