{
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    "cloneof": "headon2",
    "romof": "headon2",
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    "isdevice": "no",
    "ismechanical": "no",
    "runnable": "yes",
    "description": "Head On 2 (Sega Slimline)",
    "year": "1979",
    "manufacturer": "Sega",
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      ]
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      "emulation": "good",
      "savestate": "supported",
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      "unofficial": "no",
      "nosoundhardware": "no",
      "incomplete": "no"
    },
    "feature": {
      "type": "sound",
      "status": "imperfect"
    }
  }
}