ARRM recognizes the following gamelist.xml tags:

• adult: game for adults
• arcadesystemname : Abbreviated Arcade system name (cps1, namco, irem…)
• bezel
• boxart
• boxback
• cartridge
• core
• desc: description of the game
• developer: game developer
• emulator
• extra1
• family
• fanart
• favorite
• folder
• game
• gametime
• genre
• genreid
• hash: crc32 of the rom
• hidden: hidden rom
• id: (Screenscraper GameID)
• image
• kid
• kidgame
• lang
• lastplayed
• manual: Game's manual
• map
• marquee
• md5: md5 of the rom
• mix
• mode
• music
• name: game name
• path: Rom file
• playcount: number of times this game has been played
• players
• provider
• publisher: game publisher
• rating: game rating (from 0 to 1: 0.1,0.2…0.9,1)
• ratio
• region
• releasedate: game release date (format: yyyymmddThhmmss)
• rotation
• screenshot
• temporary
• thumbnail
• titleshot
• video
• wheel