{
  "category": {
    "new": "Add-Ons",
    "old": "Games"
  },
  "edition": {
    "new": "Original"
  },
  "legacy": {
    "write_offset": {
      "new": "-22"
    }
  },
  "ring_codes": {
    "new": "(DOOM II/MICRO)\tASR-12736-1 IFPI L891"
  },
  "version": {
    "new": "1.0, 2.0",
    "old": "2.0"
  }
}