Vault 81 Tour

Vault 81 Tour is a miscellaneous quest in Fallout 4.

Detailed walkthrough
On the player's first interaction with Austin Engill, he will offer to take player on tour of vault for a price of 5 caps or for free if the player successfully passes a Charisma check. Austin will then proceed to show the main rooms of the vault to the player. Once the tour is completed, the player will receive 75 experience points.