Killer7 (キラー7, Kirā Sebun) is a 2005 action-adventure video game for the Nintendo GameCube and PlayStation 2, developed by Grasshopper Manufacture and published by Capcom. The game was written and directed by Goichi Suda, also known by the nickname Suda51, and produced by Hiroyuki Kobayashi.The game follows an elite group of assassins called the "killer7". The assassins, physical manifestations of a man named Harman Smith, perform hits on behalf of the United States government.