v54002 · visual novel
Kumitantei: Old-School Slaughter
- Titles
- enKumitantei: Old-School Slaughter
- jaくみたんてい：昭和の殺戮無感動学園Kumi Tantei: Shōwa no Satsuriku mu Kandō Gakuen
- Aliases
- Deck Detective, Old-School Slaughter, Shōwa-era Apathy School Massacre
- Developer
- Mango Factory
- Released
- 2026-04-23
- Rating
- 6.50 (5 Votes)
- Status
- In development
Overview
Kill each other...for science! The class of '89 is trapped in an elite school killing game. Investigate, solve, and expose your classmates in Kumitantei™: Old-School Slaughter, an episodic murder-mystery ADV card-battler inspired by retro anime.
"The Empire of Japan, 1989... Awoken in a decaying old bunker, sixteen elite Absolute Students are trapped in a kill-or-be-killed Apathy Experiment. Will they band together to uncover secrets of this anemoic alternate past, or lose their humanity and lives in the present?"
Tags
33 tags||
Fear of Death3.0ADV3.0High School3.0Female Protagonist3.0Strategic Card Battles3.0Linear Plot3.0Murder Mystery3.0Life and Death Drama3.0Fast Mini-games3.0Confinement3.0Detective Work3.0Battle of Wits3.0Past Setting in a Fictional World3.0Interactive Adventure Game3.0Under the Same Roof3.0Courtroom3.0Protagonist with a Face3.0Track Display3.0High School Student Protagonist3.0Mid-game Videos3.0Black Comedy3.0Character Profiles3.0Protagonist with a Sprite3.0Difficulty Settings3.0Major Antagonist3.0
Staff
Voice Actors
Elsie Lovelock as KaguyaJoshua Waters as Moichiro SanadaBen Thao as Nisuke AjimaBradley Gareth as Tamotsu IshikameCorey Wilder as NyanusofuAllanah Fitzgerald as Sakuya AikawaChloe Eves as Kazan MyogaVera Tan as Takara HanabusaGinger Sue as Erika HakureiMinh Ton as Shigure OgasawaraMia Paige as Himari SanadaTy Osborne as Kokoro HoshisakiPhebe Fabacher as Benjiro MinesugaNick Monteleone as Jiryu ShirakiJordan Dash Cruz as NyanusRyan Gaiser as Hiroshi OkabeCiara Payne as Tsubaki InoueDaniel Van Thomas as Reiji Kutsuki
Vote Stats
114 votes1
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110