Kumitantei: Old-School Slaughter (2026)

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.

• 323 Steam reviews
• 90% positive
• released 2026

Tags

• Comedy
• Anime
• Visual Novel
• Detective
• Mystery
• Card Battler
• 1980s
• Horror
• Alternate History
• Singleplayer
• Adventure
• Psychological Horror
• Dark Humor
• Female Protagonist
• RPG
• Retro
• Cute
• Memes
• Deckbuilding
• Multiple Endings

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