The ROM Browser gets its data from several sources, and it's not apparent which field comes from where.

The following fields are read directly from the ROMs:

• Filename (w/o extension)
• CIC Chip
• Country
• CRC1
• CRC2
• Internal Name
• Manufacturer
• ROM size

The following fields are read from Project64.rds:

• Good Name
• Status
• Notes (Core)
• Notes (Plugins)

The following fields are read from Project64.rdi (if available):

• Developer
• ForceFeedback
• Game Information (URL Link)
• Genre
• Players
• Release Date

The following fields are read from Project64.rdn (if available):

• Notes (User)

Any data not available will simply appear blank.