Looks like api.myjson.com the website is currently down.  Unfortunately when I created the course I stored the files there. 

I've uploaded the JSON file to http://discoveryvip.com/shared/json.php?f=game

Also the JSON file is attached.

{
  "data": [
    {
      "icon": "\u0026#8902;"
      , "value": 10
    }
    , {
      "icon": "\u0026#10031;"
      , "value": 30
    }
    , {
      "icon": "\u0026#10036;"
      , "value": 50
    }
    , {
      "icon": "\u0026#10042;"
      , "value": 70
    }
    , {
      "icon": "\u0026#10084;"
      , "value": 75
    }
    , {
      "icon": "\u0026#9813;"
      , "value": 50
    }
    , {
      "icon": "\u0026#9822;"
      , "value": 60
    }
    , {
      "icon": "\u0026#9924;"
      , "value": 40
    }
    , {
      "icon": "\u0026#9971;"
      , "value": 100
    }
    , {
      "icon": "\u0026#9729;"
      , "value": -50
    }
    , {
      "icon": "\u0026#9785;"
      , "value": -100
    }
    , {
      "icon": "\u0026#9760;"
      , "value": -250
    }
    , {
      "icon": "\u0026#9791;"
      , "value": -20
    }
]
}