<Kobako> Night Detention | 夜の居残り screenshot 1
<Kobako> Night Detention | 夜の居残り - Official Gameplay Teaser
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A haunted quiz game where your grades aren’t the only thing that can kill you. Another strange post from the town of Akabako.

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About <Kobako> Night Detention | 夜の居残り

🟥 About This Game

They said it was just detention. Stay after school. Finish your quizzes. Don’t cause trouble.

But when the lights go out and the halls start whispering, detention becomes something else.

Welcome to Night Detention | 夜の居残り. A paranormal quiz survival set in the haunted school of Akabako. You're a student stuck in after-hours detention. To escape, you must survive three randomized classroom subjects, ace your tests, and dodge whatever's lurking just beyond the classroom.

This case comes from a single thread on the Akabako Community Message Board. Username: baka_senshi. Title: “Detention after dark = NEVER again.” It’s not the only thread. It won’t be the last.

More soon.

Kōbako

🟥 Gameplay Features

Creepy Quiz Mechanics Solve fast-paced quizzes while ghosts disturb you. Subjects range from Math, General Knowledge, Science and Word Tricks to cursed School Lore and glitchy Memory Checks.
Race Against the Bell After each quiz, navigate school to reach your next classroom before time runs out — or suffer the consequences.
Ghost Encounters Every wrong answer raises ghost activity. Succeed in handling anomalies or be taken out mid-test.
Multiple Difficulties, Multiple Endings Choose your punishment level: from Class Pet to Red Room Rules. Your ending changes depending on quiz accuracy, arrival time, and how deep you dig into the school's secrets.
Akabako Message Board Integration Each run begins as a mysterious forum thread. Your result becomes part of the town’s digital folklore.

🟥 Universe Note

Part of the Kōbako Games Short games. Long shadows. Each story is a case pulled from the Akabako Message Board. Rumors, weird things, ghost sightings. Some usernames repeat. Some stories overlap. The more you play, the more the town remembers you.

Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.

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