Gakkou no Kaidan: Hyakuyoubako no Fuuin [学校の怪談 百妖箱の封印] Game Sample - GBA @Vysethedetermined2
Gakkou no Kaidan: Hyakuyoubako no Fuuin [学校の怪談 百妖箱の封印] Game Sample - GBA  @Vysethedetermined2
Uploaded September 2026 | Updated September 2026, 2 weeks ago
"Gakkou no Kaidan: Hyakuyoubako no Fuuin" is one of many titles in a loosely connected Japanese horror-mystery phenomenon known as "Gakkou no", with the main ones being "Gakkou no Kaidan" (aka "School Ghost Stories") and "Gakkou no Kowai Uwasa" (aka "Scary School Rumors", usually featuring Hanako-san as the main point of interest). "Gakkou" itself simply means "School" and while GnK and GnKU are not strictly related, they have overarching themes and related mysteries, so talking about them together adds a little context. This is a video for one of the lesser-known GnK games and part of what will probably evolve into a video project concerning GnK as a whole. While GnK has very little relevance in the West, it rose to prominence due to the legendary and hilarious English adaptation of the 2000 anime by Studio Pierrot and Aniplex, known outside Japan as "Ghost Stories".

The concept for Gnk originated in the mid 80s from a visionary named Toru Tsunemitsu. In 1985, Toru was a middle school teacher who noticed that his students often shared ghost stories and rumors about various folklore and legends. Out of curiosity, this led him to collect stories from his students, where he accumulated over 150 stories in ten days. Between 1990-1996, these stories were modified and compiled into nine volumes of childrens books which were published by Kodansha. A "sequel" series, "Shin Gakkou no Kaidan" began in 2005 and five volumes were released, but the initial craze of GnK spawned a media frenzy with several video games, several live-action movies, animes (as "Gakkou no Kaidan SP" also exists), manga and associated merchandise.

"Gakkou no Kaidan: Hyakuyoubako no Fuuin" was developed by Yamaneko Co. Ltd. and published by TDK Core in 2004. For one, Yamaneko has LITTLE experience with actual game development, serving primarily as a Japanese editorial production company involved in the editing and production of game strategy books, related magazines, and books since the 90s. The other matter here is that TDK (Core) published and assisted A LOT of GBC and GBA games and probably saw this title as a quick cash grab to capitalize on the popularity of the GnK lore with both Toru Tsunemitsu/Kodansha being credited. Given these two things, I was intrigued to learn that the game didn't exactly have a good reputation in gaming circles but not entirely surprised either. Curiously, Hiroaki Mizubayashi directed, designed and programmed the game (he was also responsible for the Pocket Kitchen features of the cult PS gem, "Purumui Purumui") and the character designs were by Ichio Hayashi (through Hibari Works, although much of his fame was as an in-between artist and animator), but the game has a small staff and shoestring budget otherwise. The sound was by Oka Soyo, who actually has prior experience working for Nintendo on games such as "Super Mario Kart", "Sim City", and "Pilot Wings" and freelance work on PS' "Lagnacure".

The game allows the player to choose a nameless boy or girl who is supposed to go home from school one day. After Football (Soccer) practice, you talk to your teacher, Izumi, who offers you a good-luck charm before leaving and you make your way to the school gate when lightning strikes, narrowly avoiding you and destroying a 100-yen donation box. It's right at this moment that you meet a strange first-grader, Tomoyuki, and learn that his favorite book, "100 Tales of Yokai", has gone blank, indicating that the spirits within have gotten loose and are haunting the school. You're convinced by Tomoyuki that you have to search the school and return the Yokai to the book, but you're not sure how until you run into your first one: an advanced talking cellphone with camera capabilities that offers hints as you go.

Gameplay in the game is fairly standard adventure stuff where you walk around, search for items, solve puzzles, invoke yokai and play mini-games, but on a grand scale; there are 100 yokai to find in the game and while the first few are essentially freebies, catching them all is extremely difficult and, as some Japanese reviews put it, require the patience of a saint and intellect far beyond the game's intended target audience. Indeed. Besides many of the games triggerable events being INVISIBLE (meaning you'll be searching tile after tile, and the phone yokai is not especially helpful), some puzzles defy conventional wisdom and there are several death ends, so save constantly. You can also take pictures to fill a B&W photo gallery, but there are basically no hints here either and I basically shot pics in random locations. I wouldn't call "most" of the game obtuse as the yokai book gives decent hints, but the game is hard to parse even with Japanese knowledge and there's tons of choices to go through.

Beyond the creature designs, the game has few assets, but I don't actually hate it. There are better horror / mystery games though. This is a vid of the game in action. Enjoy.
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Gakkou no Kaidan: Hyakuyoubako no Fuuin [学校の怪談 百妖箱の封印] Game Sample - GBA

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