Kumitantei: Old-School Slaughter - Official Opening Movie

Kill each other...for science! Check out the opening movie for Kumitantei: Old-School Slaughter, an upcoming episodic murder-mystery ADV card-battler inspired by retro anime. The class of '89 is trapped in an elite school killing game. Investigate, solve, and expose your classmates in Kumitantei: Old-School Slaughter. Episode 1 of Kumitantei: Old-School Slaughter will be available on PC on April 23, 2026.