Kumitantei: Old-School Slaughter Direct Download
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.
Is survival in the cards?
Kumitantei: Old-School Slaughter is an episodic murder-mystery ADV cardbattler that lovingly fuses retro anime analog horror with killing game! Kumitantei will consist of 6 episodes, beginning to release in early 2026.
“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?” Trench Lord: Eastern Front
With a visual style inspired by Rumiko Takahashi’s Urusei Yatsura and ’80s anime alongside classic Japanese mystery-adventure games like Danganronpa and Ace Attorney, Kumitantei thrusts you into a suspenseful character-driven killing game narrative where your deckbuilding and detective skills are the only keys to surviving. It’s a creepy-cute love letter to decades of ADVs that wears its many inspirations on its sleeve: perfect for fans of visual novels, detective games, and deckbuilders with deep narratives.
Features and System Requirements:
- Get trapped with 16 students in a deadly “kill-or-be-killed” mystery set in an alternate 1989 Japan.
- Investigate crime scenes to collect clues and expose the killer during trials.
- Use a card-based debate system where deckbuilding determines how well you break lies and prove your case.
- Build relationships with classmates to unlock stronger cards and story interactions.
- Enjoy a unique presentation inspired by retro 1980s anime mixed with psychological horror.
- The story is planned as an episodic release, beginning in 2026.
Screenshots
System Requirements
OS: Windows 10 (64-bit)
Processor: 6th Gen i5/1st Gen Ryzen Series
Memory: 4 GB RAM
Graphics: NVIDIA GeForce GTX 1050 Ti / AMD Radeon RX 570 (4GB dedicated VRAM)
DirectX: Version 12
Storage: 5 GB available space
Support the game developers by purchasing the game on Steam
Installation Guide
1 :: Download Game
2 :: Extract Game
3 :: Launch The Game
4 :: Have Fun 🙂




















