If you consider yourself a true ghoul investigator, you’ve probably heard the whisper in the dark corners of the fandom: There is a lost Tokyo Ghoul game. Not the hack-and-slash Masquerade Riot , but Tokyo Ghoul: Jail —the Visual Novel/RPG hybrid released exclusively for the PlayStation Vita in 2015.
Sui Ishida himself designed the main antagonist, Jail, and wrote the original scenario. You also get deep, character-specific routes for Touka, Nishiki, Tsukiyama, and even a young Arima. The Translation Problem Bandai Namco released Jail exclusively in Japan. There was never an official English release. Because the Vita is a dead platform (discontinued in 2019), an official localization is never going to happen. Tokyo Ghoul Jail English Translation
Thanks to the relentless work of the team at (specifically translator "Kacti" and the hacking team "Froid"), a full English patch for Tokyo Ghoul: Jail was finalized in late 2022. If you consider yourself a true ghoul investigator,
Stay hungry, investigators.