Ketsui: Kizuna Jigoku Tachi

User Summary: Ketsui: Kizuna Jigoku Tachi is a vertical scrolling bullet-hell shoot 'em up originally published by Cave in 2003 as an arcade release, followed by an Xbox 360 release in 2010, where the player controls a U.N. owned helicopter, attempting to bring down an international arms dealer named EVAC. Ketsui: Kizuna Jigoku Tachi is famous for its very high difficulty level, even among bullet-hell games, and frequently appears on "best of genre" lists assembled by fans.