These men found out the scientists they were 'bunked' with were performing immoral experiments on human subjects. In California, a unit of military men were forced to take shelter in a scientific installation as the bombs fell. However, before the entire network could be completed, nuclear war broke out. By being shielded from the imminent death, the offspring of these people could reclaim and repopulate the Earth. In the years leading to the nuclear apocalypse that would eventually destroy the world, a network of vaults were constructed to contain the best and brightest of humanity. Although they always have an average amount of luck and no Charisma, Robots are strong and tough, resistant to most attacks, and immune to poison and radiation. Humanoid robots: Robots are machines created to fight.Their main strengths are perception and agility, but they cannot use weapons or other tools. Dogs: Dogs are canines that have adapted to life in the Wastelands.Although lacking in intelligence and charisma, the bodies of deathclaws are far more durable than humans. Unfortunately, they can't use most items or wear armor and can only use Melee Weapons (brass knuckles, etc.). Deathclaws: deathclaws are massive beasts that use their body's size and strength to tear their enemies apart.Although not as strong as humans, ghouls are luckier and more perceptive. Ghouls: ghouls are humans who have mutated due to the radiation of the wastes and have extremely long lifespans.Super mutants gain perks every four levels. Unfortunately, they can't use Small Weapons such as pistols or rifles. Super mutants: Modified by the Forced Evolutionary Virus, super mutants are hulking beasts that are excellent at combat but lacking in intelligence and agility.They do not excel in any particular area, but they do not suffer in any areas either, thus making them the most balanced race. Humans: Humans are the most common race on the wastelands.Although the main character on the single player game had to be human, recruits from the brotherhood and characters in multiplayer matches could be of any of the six races featured in the game.