Arcade manager: A simple UI-driven filter. Easiest to use, but is focused on Recalbox/RetroPie. BestArcade: A Python script focused on filtering down the non-merged reference ROMsets (fbneo, mame2003, mame2003plus and mame2010). ROMLister: A simple tool which filters down a given ROMset based on defined attributes., If you'd like to, you could put ROMs intended for different versions of MAME into subfolders in this folder. For instance, you could put MAME2003-plus ROMs into the /userdata/roms/mame/mame2003plus. The latest versions of which ROMset to use can be found on the arcade guide. Each romset is specific to the version of MAME being used:, A table of which ROMset version is being used in whatever version of Batocera can be found on the arcade guide. If you came here before reading the arcade guide, read the arcade guide., The romset used in Batocera's FBNeo is not updated as frequently as the latest MAME romset is. The current FBNeo romset used is 1.0.0.0 and probably will be for a while, unless some major developments within Batocera happen., Batocera is shipped with a selection of free ROMs - games that are freely available and that can be legally distributed. You can also install additional free games from the Content Downloader., ROMs ROMs should be put as they are into roms/model2/. Leave the files as ZIP files, do not extract them. The entire ROMset is 32 games..