Ensure your ROMs are in the directory the emulator is actually scanning. Go to Options -> ROM paths
: FBNeo primarily supports 2D arcade games. Attempting to load 3D titles or games not included in FBNeo's specific compatibility list will result in the "unknown" status. Recommended Solutions Guide :: Retroarch issues and fixes - Steam Community fbneo romset unknown
: You must never rename arcade ROM zip files (e.g., changing sfiii.zip to Street Fighter III.zip ). FBNeo identifies games strictly by their short-code filenames; altering these makes the ROMset "unknown". Ensure your ROMs are in the directory the
He loaded the game again.
When you see "Romset unknown," the developer is effectively saying: "The ROM you have is an inferior, outdated, or incorrect dump of the arcade hardware. We will not run it." Recommended Solutions Guide :: Retroarch issues and fixes