☞ Autre version: Simplified Chinese | Korean
Zetsubou Prison is an escape puzzle game developed by STUDIO WASABI for mobile.
There is a weird and mysterious phenomenon called Doppelgänger happened in your school. You are a member of the mystery-event-study club, and you team up with your schoolmates determined to find out the truth behind the mysterious phenomena. You can search around the school and investigate for evidence and clues to find out the truth of the Doppelgänger phenomenon.