Home > Kumitantei: Old-School Slaughter Free Download (v1.0.0-hotfix8)

Kumitantei: Old-School Slaughter Free Download (v1.0.0-hotfix8)

Kumitantei: Old-School Slaughter is an episodic murder-mystery visual novel and card battler set in an alternate version of Japan in 1989. Sixteen elite Absolute Students awaken inside a decaying bunker and are forced into a deadly Apathy Experiment where classmates may become victims or killers. Investigate crime scenes, gather evidence, build relationships, and construct powerful card decks before entering Clinical Trials where you must expose lies, prove your case, and survive the consequences.

Adventure Horror Visual Novel

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Release Date:: April 23, 2026
Platform:: Windows (10, 11)
Developer:: Mango Factory
Publisher:: Akupara Games

Highlights

Kumitantei: Old-School Slaughter Features

Investigate gruesome murders by examining crime scenes, collecting evidence, and piecing together what happened to your classmates.
Take gathered evidence into Clinical Trials where debates and card-based mechanics determine whether you can expose the culprit.
Build and customize a deck using cards discovered throughout the bunker and rewards earned from bonding with classmates.
Spend time with members of the Absolute Class of ’89, give them gifts, learn more about them, and receive useful cards for future debates.
Experience a character-driven killing game inspired by classic Japanese mystery adventures and retro 1980s anime aesthetics.
Play retro-inspired arcade mini-games that recreate the style of old-school coin-operated games.
Follow an episodic story planned across six episodes, beginning with the students’ struggle to understand and survive the Apathy Experiment.

Instructions

Easy to Download, Install and Play

Click the download button below. You can also select a previous version if available.
You’ll be redirected to Vidgazoo. Wait 5 seconds, then directly click the button or copy the link.
- Make sure you have a supported download client installed (it’s free here) before downloading.
Once the download process reaches 100%, locate the downloaded files.
- Get ready for installation and make sure you have enough disk space for the game.
To Install DRM-free Kumitantei: Old-School Slaughter:
- Run or double-click setup_kumitantei_old_school_slaughter_********.exe to launch the installer.
- Follow the on-screen instructions to complete the installation.
- If a DLC folder is included, run any .exe files inside it as well.
Once the installation is complete, launch the game and start playing.

DRM-free