{"rewrite":{"id":"r_cb8bedb5e1e10adf0c2c02f7","clusterId":"c_61c931913f84716e3a2bb9b0","slug":"be-ninja-shows-camera-read-hand-signs-at-osaka-indie-games-summit-2026","model":"deepseek-v4-1-flash","headline":"BE Ninja Shows Camera-Read Hand Signs at Osaka Indie Games Summit 2026","summary":"Solo developer Fortgs exhibited BE Ninja at OSAKA INDIE GAMES SUMMIT 2026, held October 3 and 4 at Congrès Square Grand Green Osaka. The title has been in Steam early access since June 2025 at 300 yen, and a July 2026 update reworked its main gameplay into real-time ninjutsu battles. Camera footage is read each frame, and AI judges which hand sign the player is forming. Fortgs says 10 hand signs appear in the game, 3 in the demo.","whyItMatters":"The booth doubles as a data pipeline: a small recognition dataset grows each time a visitor plays, so exhibition time is training time for a game that cannot be played without a camera.","webCardHtml":"\u003cp\u003eThe demo ran on a monitor with a webcam mounted above it and no mouse or keyboard in the loop. Even the title screen asks the player to form a sign to begin. The opening sends the player off with a line about becoming a true ninja, then hands over to training.\u003c/p\u003e\u003cp\u003eA 3D hand model shows the target shape, and matching it in front of the camera stamps a seal on the scroll. Training runs about three rounds, with the tempo rising each time. Before the demo, visitors were asked to confirm whether their gameplay footage could be recorded and used for AI training.\u003c/p\u003e","blueskyPost":"BE Ninja reads hand signs from a camera every frame, judges them by AI. Fortgs says 10 signs exist, but the demo shows 3. What the camera recognizes is one thing. What the game lets a player actually perform is another.","twitterPost":"BE Ninja reads hand signs from a camera each frame and lets AI judge them. Fortgs says 10 signs are in the game. The demo shows 3.","threadsPost":"BE Ninja has been in Steam early access at 300 yen since June 2025, but it only became a real-time ninjutsu battle game after the July 2026 update. The camera is old. The fight around it is new, and that is what Fortgs is selling at Osaka Indie Games Summit 2026.","newsletterBlurb":"BE Ninja, a hand action RPG where a camera reads the hand signs you form to cast ninjutsu, was exhibited at OSAKA INDIE GAMES SUMMIT 2026 on October 3 and 4 in Osaka. The game has been in Steam early access since June 2025 at 300 yen, and a July 2026 update reworked its main gameplay into real-time ninjutsu battles. Because the sign recognition dataset is still small, demo visitors were asked whether their footage could be used for AI training.","attributionJson":"[{\"source\":\"4Gamer.net\",\"url\":\"https://www.4gamer.net/games/925/G092549/20261006051/\",\"title\":\"Make hand signs with your own hands and a technique comes out. I sneaked around with \\\"BE Ninja,\\\" which recognizes hand signs with a camera [OIGS 2026]\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4713,"outputTokens":695,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1791339728,"createdAt":"2026-10-07T02:16:23.000Z","publishedAt":"2026-10-07T02:21:05.000Z","updatedAt":"2026-10-07T02:21:05.000Z"},"cluster":{"id":"c_61c931913f84716e3a2bb9b0","canonicalTitle":"自分の手で印を結べば，術が出る。カメラで印を認識する「BE 忍者」で忍んでみた［OIGS 2026］","representativeArticleId":"a_e9b3c6a86e765f3ee9d7c37e","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"BE Ninja\"],\"studios\":[],\"people\":[\"Fortgs\"],\"type\":\"event\",\"domain\":\"games\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-10-07T01:38:38.000Z","lastSeenAt":"2026-10-07T01:38:38.000Z","updatedAt":"2026-10-07T02:21:06.000Z"},"attribution":[{"source":"4Gamer.net","url":"https://www.4gamer.net/games/925/G092549/20261006051/","title":"自分の手で印を結べば，術が出る。カメラで印を認識する「BE 忍者」で忍んでみた［OIGS 2026］"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["BE Ninja"],"studios":[],"people":["Fortgs"],"type":"event","domain":"games","is_roundup":false},"keyFacts":null}