SUSATSU is a kind of SUDOKU game of the new feeling, speedy and thrilling.You can play in a short time, but SUSATSU is tough logic thinking puzzle.The murder case in which the number killed the number occurred. You are a detective, who must infer and apply the number of the criminal in the center of the murder room. At first, few hints are offered. The more you solve a mystery, the more hints appear one after another. However, the criminal approaches to kill you. If numbers other than the criminal are clarified, distance with a criminal can be lengthened. But, the distance will be shortened if you make a mistake. Can you find out the criminal, before you're killed?