{
  "id": "senjou-no-valkyria-duel",
  "canonical_title": "戦場のヴァルキュリアDUEL",
  "native_titles": {
    "ja": "戦場のヴァルキュリアDUEL"
  },
  "developer": null,
  "gacha_model": null,
  "genre": null,
  "ip_franchise": null,
  "inclusion_note": "bulk-screened 2026-08-15: Valkyria browser card battler; record confidence: single-onlinegamer",
  "summary": "戦場のヴァルキュリアDUEL was a Japanese online/mobile game by NHN ハンゲーム that ran from 2012-07-26 until 2015-04-22. It is recorded in the gachapon.games graveyard.",
  "releases": [
    {
      "region": "jp",
      "publisher": "NHN ハンゲーム",
      "platforms": null,
      "launch_date": {
        "value": "2012-07-26",
        "precision": "day"
      },
      "shutdown_announced_date": null,
      "service_end_date": {
        "value": "2015-04-22",
        "precision": "day"
      },
      "status": "ended",
      "shutdown_cause": "undisclosed",
      "shutdown_cause_note": null,
      "offline_version": null
    }
  ],
  "aliases": [
    {
      "text": "senjou no valkyria duel",
      "type": "romanization",
      "lang": null
    }
  ],
  "mechanics": null,
  "sources": [
    {
      "url": "https://www.onlinegamer.jp/game/1000000826/",
      "title": "戦場のヴァルキュリアDUEL - OnlineGamer",
      "publisher": "OnlineGamer.jp",
      "lang": "ja",
      "retrieved_at": "2026-08-15",
      "attributes": [
        "releases.0.service_end_date",
        "releases.0.launch_date"
      ]
    }
  ],
  "updated_at": "2026-08-15",
  "derived": {
    "launch": "2012-07-26",
    "death": "2015-04-22",
    "lifespan_months": 33,
    "status": "ended"
  },
  "url": "https://gachapon.games/games/senjou-no-valkyria-duel/"
}