{"rewrite":{"id":"r_5f5874d23deb427008427afb","clusterId":"c_9ef740b3bd39d61c6d5943e1","slug":"house-house-discloses-llm-use-in-big-walk-bug-fixing","model":"deepseek-v4-1-flash","headline":"House House Discloses LLM Use in Big Walk Bug Fixing","summary":"House House said it used a large language model in the final stage of Big Walk's development, on code that accounts for less than 0.1% of the game's total. The studio published the contents of its IGF Awards submission documents, saying Steam did not require disclosure but some IGF judges had said AI use affects selection. House House called developing without an internal AI policy a failure.","whyItMatters":"House House disclosed the AI use only after learning that IGF judges treat AI use as a selection factor, which puts the burden of voluntary disclosure on developers rather than on any platform rule.","webCardHtml":"\u003cp\u003eThe disclosure covers a narrow slice of work. House House said the LLM helped resolve problems inside third-party code, including a bug that slowed the game by 50% for about 20 seconds at sunrise and sunset, after consultation with third-party engineers reached no fix. The solution the model proposed needed substantial modification before it worked.\u003c/p\u003e\u003cp\u003eHouse House said it supports efforts to limit the harm generative AI causes to games and apologized that the announcement may not meet those standards. It also warned that voluntary disclosure can lead to the technology being treated as inevitable.\u003c/p\u003e","blueskyPost":"House House's admission that it shipped AI-assisted code with no internal policy in place is the part of the Big Walk disclosure that outlasts the 0.1% figure.","twitterPost":"The 0.1% figure is small. House House shipping it with no AI policy written is the admission that carries weight.","threadsPost":"House House treats the AI use in Big Walk as a minor matter at under 0.1% of code. The studio's own word for doing it without an internal policy is failure, which makes the missing policy the disclosure that matters more than the percentage.","newsletterBlurb":"House House disclosed that it used a large language model in the final stage of Big Walk's development, on code under 0.1% of the total. The studio published its IGF submission documents after learning that AI use affects the awards' selection. It called developing without an internal AI usage policy a failure.","attributionJson":"[{\"source\":\"Game Spark\",\"url\":\"http://www.gamespark.jp/article/2026/11/10/174720.html\",\"title\":\"Hit Co-op ADV 'Big Walk' Confesses AI Use in Late Development Stage-Used for Bug Fixing on Under '0.1%' of Code, but Says Use Without Internal Policy Was a 'Failure'\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":5521,"outputTokens":666,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1794317603,"createdAt":"2026-11-10T13:28:25.000Z","publishedAt":"2026-11-10T13:32:11.000Z","updatedAt":"2026-11-10T13:32:11.000Z"},"cluster":{"id":"c_9ef740b3bd39d61c6d5943e1","canonicalTitle":"大ヒット協力ADV『Big Walk』開発終盤でのAI利用を告白―バグ解消目的で利用箇所は全体の「0.1%」未満も社内ポリシー未策定での使用を「失敗」と表明","representativeArticleId":"a_7a61f8a05ee1ca2b5425b04d","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"Big Walk\"],\"studios\":[],\"people\":[],\"type\":\"news\",\"domain\":\"games\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-11-10T12:54:24.000Z","lastSeenAt":"2026-11-10T12:54:24.000Z","updatedAt":"2026-11-10T13:32:11.000Z"},"attribution":[{"source":"Game Spark","url":"http://www.gamespark.jp/article/2026/11/10/174720.html","title":"大ヒット協力ADV『Big Walk』開発終盤でのAI利用を告白―バグ解消目的で利用箇所は全体の「0.1%」未満も社内ポリシー未策定での使用を「失敗」と表明"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["Big Walk"],"studios":[],"people":[],"type":"news","domain":"games","is_roundup":false},"keyFacts":["House House said the AI-assisted portions of Big Walk account for less than 0.1% of the game's code.","House House said the LLM was used to fix issues in third-party code, including a slowdown of 50% for about 20 seconds at sunrise and sunset.","House House said Steam did not require disclosure of code or chatbot usage.","House House said developing Big Walk without an internal AI usage policy was a failure.","House House published the contents of its IGF Awards submission documents."],"pageLinks":{"healthSlugs":["big-walk"],"storySlugs":[],"entities":[{"slug":"big-walk","supported":4,"disputed":0,"contradicted":0,"unverified":31,"overall":"green","story_count":16,"has_dossier":true}],"stories":[],"entitiesOk":true,"storiesOk":true}}