Verrückt (German for crazy or insane), also known as Zombie Verrückt, Asylum, or Zombie Asylum, is one of the maps available in the first Call of Duty: World at War map pack, as well as the Hardened and Prestige editions of Call of Duty: Black Ops. It is also available in the Call of Duty: Black Ops Rezurrection map pack, as well as on iOS, where it was released on February 11th, 2009. It is the second installment of the Zombies mode, and takes place in the Wittenau Sanatorium, located in Berlin, Germany. A fractured portion of the map appears in Revelations along with some other classic maps.