{"rewrite":{"id":"r_abbecb9e527b5bdd765802a6","clusterId":"c_ed3082fcc49cb63647aca396","slug":"national-institute-for-environmental-studies-debuts-project-leaves-at-tgs2026","model":"deepseek-v4-flash","headline":"National Institute for Environmental Studies Debuts Project: Leaves at TGS2026","summary":"The National Institute for Environmental Studies will exhibit at Tokyo Game Show 2026 for the first time, running September 17-21 at Makuhari Messe. The institute will unveil Project: Leaves, a project that turns its accumulated research and simulation technology into games. The planned game has players conduct investigations and conversations within limited time, complete inventions, and send them to society, with choices branching into different futures. The game remains in concept stage with no playable demo.","whyItMatters":"A national research body is using a game show booth and a branching-narrative concept as its science communication channel, betting that players will grasp environmental simulation models through their own choices rather than through presented findings.","webCardHtml":"\u003cp\u003eThe institute\u0026#39;s booth at Hall 8 (08-N12) will display a PV, key visual, and character design for the concept. Visitors who answer a survey and follow the official SNS accounts can enter a lottery for original novelty goods, limited in quantity and available until they run out.\u003c/p\u003e\u003cp\u003eThe game itself is in the concept stage, so there is no playable demo at the venue. Updates will be posted on the project\u0026#39;s note page and the Fukushima regional collaborative research base\u0026#39;s official X and LINE accounts.\u003c/p\u003e\u003cp\u003eThe institute frames the exhibit as a way to build a contact point with game fans and younger generations who have had little exposure to environmental research, presenting multiple choices and their results instead of a single correct answer.\u003c/p\u003e","blueskyPost":"Japan's National Institute for Environmental Studies is taking a booth at TGS2026 for the first time, unveiling Project: Leaves, a game concept that turns its simulation models into branching futures. No demo yet, but PV, key visual, and character design will be on display in Hall 8.","twitterPost":"A national research institute is coming to TGS2026. The National Institute for Environmental Studies debuts Project: Leaves, a game concept where player choices branch into different futures built on its simulation models. Concept stage only, no demo. Booth 08-N12 in Hall 8.","threadsPost":null,"newsletterBlurb":"The National Institute for Environmental Studies will make its first Tokyo Game Show appearance this September, unveiling Project: Leaves, a project that turns its research and simulation technology into games. The planned game has players complete inventions through investigation and conversation, with choices branching into different futures. The game remains in concept stage, with PV, key visual, and character design on display at Hall 8.","attributionJson":"[{\"source\":\"GameBusiness.jp\",\"url\":\"https://www.gamebusiness.jp/article/2026/09/09/27977.html\",\"title\":\"Kokuritsu Kankyo Kenkyujo, TGS2026 ni Hatsu Shutsuten. Kankyo Kenkyu o Gemuka suru 'Project: Leaves' o Hatsu Kokai\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":5021,"outputTokens":2575,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1788949818,"createdAt":"2026-09-09T10:26:07.000Z","publishedAt":"2026-09-09T10:28:22.000Z","updatedAt":"2026-09-09T10:28:22.000Z"},"cluster":{"id":"c_ed3082fcc49cb63647aca396","canonicalTitle":"国立環境研究所、TGS2026に初出展。環境研究をゲーム化する『Project: Leaves』を初公開","representativeArticleId":"a_f8287feca44d55cb3e01f3df","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"Project: Leaves\"],\"studios\":[],\"people\":[],\"type\":\"announcement\",\"domain\":\"games\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-09-09T09:30:03.000Z","lastSeenAt":"2026-09-09T09:30:03.000Z","updatedAt":"2026-09-09T10:28:20.000Z"},"attribution":[{"source":"GameBusiness.jp","url":"https://www.gamebusiness.jp/article/2026/09/09/27977.html","title":"国立環境研究所、TGS2026に初出展。環境研究をゲーム化する『Project: Leaves』を初公開"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["Project: Leaves"],"studios":[],"people":[],"type":"announcement","domain":"games","is_roundup":false},"keyFacts":null}