How do I enter Vault 87?
Vault 87 can only be accessed through Little Lamplight, via two routes. These are revealed to the Lone Wanderer by questioning Mayor MacCready. The more dangerous route involves crossing Murder Pass. This is the initial option suggested by the mayor.
What was Vault 3 experiment?
Nestled within the South Vegas ruins, Vault 3 was one of the seventeen control Vaults, resulting in it not having an experiment. All was going well in the Vault until a water leak occurred sometime in the 23rd century, forcing the residents to open the Vault to find help.
What happens if you start the purifier Fallout 3?
Now, the game has the player character make one final decision: who will activate the purifier. The radiation levels are fatal once the purifier is activated, so whoever goes in isn’t coming out (RadAway, Rad-X and Radiation Resistance have no effect on one’s survival, as it is a cut-scene).