The basements were made at RedRocket Truck Stop, Sanctuary Hills, Tenpines Bluff, Starlight Drive-In, Sunshine Tidings Co-op, Graygarden, Oberland Station, Outpost Zimonja, Greentop Nursery, Finch Farm, Taffington Boathouse,Covenant, Kingsport Lighthouse, Boston Airport, Hangman’s Alley, Spectacle Island, Egret Tours Marina, Jamaica Plain, Somerville Place and Warwick Homestead, 20 basements in total.There are Workshops in 20 basements,And can travel in and out quickly.In addition, Croup Manor, Bunker Hill and The Castle all have original basements, so there is no repetition of basements; However, Workshops have been set up and 100 power switch boxes have been made. Although the Sanctuary Hills has the original “root cellar”, considering that the Sanctuary Hills is a large settlement site, backed by Vault 111, it is a pity if Vault 111 is not used; Therefore, I specially made a “tunnel” through Vault 111. “SanctuaryHillsTunnel”,The entrance is located in the kitchen of the room closest to the Vault 111, and the tunnel leads to the Vault 111; After the player finds the tunnel entrance, the quick travel mark will be marked in the player’s Pip Boy map. Since then, the player can quickly travel to and from the Vault 111. This tunnel does not affect the player’s start, because the door of the tunnel connecting Vault 111 is locked, and the player needs to enter from the Sanctuary Hills to disassemble the chain lock behind the door.