Assassination Classroom: Grand Siege on Koro-sensei

Assassination Classroom: Grand Siege on Koro-sensei is a 2015 action video game developed and published by Bandai Namco Games for the Nintendo 3DS. It is based on the science fiction comedy manga series Assassination Classroom by Yusei Matsui. The game follows a class of middle school students and their homeroom teacher Koro-sensei, an octopus-like superbeing who the students have been tasked with killing. Grand Siege on Koro-sensei was released on March 12, 2015, and sold over 25,000 copies in the following few days. The game received a more mixed critical response, with the game being criticized for its gameplay, with praise being directed towards the game's style and humor.