"Killer7" is a unique action-adventure video game developed by Grasshopper Manufacture and directed by Goichi Suda. Released in 2005 for the GameCube and later for the PlayStation 2, the game features a distinctive cel-shaded art style and a complex narrative. Players control a group of assassins known as the Killer7, each with their own abilities, as they navigate through various missions to eliminate targets and uncover a deeper conspiracy. The gameplay combines elements of shooting and puzzle-solving, with a focus on exploration and character switching. Set in a surreal world, the story involves themes of identity, morality, and political intrigue, often challenging players' perceptions. "Killer7" has garnered a cult following for its innovative design and thought-provoking content.