"challenge run" meaning in English

{
  "forms": [
    {
      "form": "challenge runs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "challenge run (plural challenge runs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Video games",
          "orig": "en:Video games",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              74,
              88
            ]
          ],
          "ref": "2016 March 14, Chloi Rad, “9 Weirdest Ways People Have Played Dark Souls”, in IGN.com:",
          "text": "Dark Souls streamer LobosJr may not go the weird controller route for his challenge runs, but he's still one of the best players out there, constantly exploring new and ridiculous ways to make Dark Souls even harder.",
          "type": "quote"
        }
      ],
      "glosses": [
        "a playthrough of a video game with additional self-imposed rules or constraints that make the game more difficult."
      ],
      "id": "en-challenge_run-en-noun-TyEvsrYF",
      "links": [
        [
          "video game",
          "video game"
        ],
        [
          "playthrough",
          "playthrough"
        ]
      ],
      "raw_glosses": [
        "(video games) a playthrough of a video game with additional self-imposed rules or constraints that make the game more difficult."
      ],
      "related": [
        {
          "word": "Nuzlocke"
        }
      ],
      "topics": [
        "video-games"
      ]
    }
  ],
  "word": "challenge run"
}

{
  "forms": [
    {
      "form": "challenge runs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "challenge run (plural challenge runs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Nuzlocke"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Video games"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              74,
              88
            ]
          ],
          "ref": "2016 March 14, Chloi Rad, “9 Weirdest Ways People Have Played Dark Souls”, in IGN.com:",
          "text": "Dark Souls streamer LobosJr may not go the weird controller route for his challenge runs, but he's still one of the best players out there, constantly exploring new and ridiculous ways to make Dark Souls even harder.",
          "type": "quote"
        }
      ],
      "glosses": [
        "a playthrough of a video game with additional self-imposed rules or constraints that make the game more difficult."
      ],
      "links": [
        [
          "video game",
          "video game"
        ],
        [
          "playthrough",
          "playthrough"
        ]
      ],
      "raw_glosses": [
        "(video games) a playthrough of a video game with additional self-imposed rules or constraints that make the game more difficult."
      ],
      "topics": [
        "video-games"
      ]
    }
  ],
  "word": "challenge run"
}