Danganronpa: Trigger Happy Havoc

Dangan Ronpa, or it's full name - Dangan Ronpa: The Academy of Hope and The High School Students of Despair (ダンガンロンパ 希望の学園と絶望の高校生) is a Japanese murder mystery visual novel developed by Spike exclusively for Japan. The game was released on PSP on November 25 2010, and for iOS and Android OS on August 25 2012.