|The following is based on Fallout Shelter or Fallout Shelter Online and some details might contradict canon.|
Quest layout is random, and can take place in a vault, building, or cave. Enemy composition can include deathclaws in pairs, raiders in groups of three to four, radroaches in groups of three to four, radscorpions is pairs, and mole rats in groups of three. Alpha deathclaws may also appear, and are typically accompanied by an additional deathclaw. Glowing feral ghouls may appear, and are accompanied by three or four feral ghouls.