In Fallout Shelter, you'll need to build plenty of rooms to help obtain resources and keep your Vault Dwellers safe. Each room has a different purpose, which will add to the overall success of your vault. Building these rooms is vital to expanding your Vault and making the most of your Dwellers' SPECIAL skills.
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PostsWe'll break down each of the rooms you can build, what they cost, and what they do, so you can design the Vault of your dreams. You can even merge rooms to maximize efficiency. Here's everything you need to know about building rooms in Fallout Shelter.
How To Build Rooms
Rooms can be built by tapping on the hammer icon on the bottom right-hand side of the screen. From there, you can select any available room and build it so long as you have the space.
To unlock more rooms, you'll need to increase the number of Dwellers in your vault!
Below is a table of all the rooms you can build and what they do:
Room Name
Description
Cost
Upgrade Cost
Size
Vault Door
The Vault door connects your Vault to the wasteland and is a fixed point of entry.
N/A
500 caps
2,000 caps
2
Elevator
Allows Vault Dwellers to access additional floors in the vault.
100 caps
NA
1/3
Living Quarters
Increases the capacity of Dwellers in the Vault. Assigning two Dwellers of the opposite sex here may result in children.
100 caps
500 caps
1,500 caps
1-3
Power Generator
Produces Power for the Vault.
100 caps
500 caps
1,500 caps
1-3
Diner
Produces Food for the Vault.
100 caps
500 caps
1,500 caps
1-3
Water Treatment
Produces Water for the Vault.
100 caps
500 caps
1,500 caps
1-3
Storage Room
Increases the Vault's storage for junk, weapons, armor, etc.
300 caps
750 caps
1,500 caps
1-3
Medbay
Produces Stimpaks.
400 caps
1,000 caps
3,000 caps
1-3
Science Lab
Produces RadAways.
400 caps
1,000 caps
3,000 caps
1-3
Overseer's Office
Manages quests Dwellers can take.
1,000 caps
3,500 caps
15,000 caps
2
Radio Studio
Increases Dweller happiness and broadcasts a signal into the wasteland to contact potential Dwellers.
600 caps
1,500 caps
4,500 caps
1-3
Weapon Workshop
Allows Dwellers to craft weapons.
800 caps
8,000 caps
60,000 caps
3
Weight Room
Allows Dwellers to train their Strength stat.
600 caps
1,500 caps
4,500 caps
1-3
Athletics Room
Allows Dwellers to train their Agility stat.
600 caps
1,500 caps
4,500 caps
1-3
Armory
Allows Dwellers to train their Perception stat.
600 caps
1,500 caps
4,500 caps
1-3
Classroom
Allows Dwellers to train their Intelligence stat.
600 caps
1,500 caps
4,500 caps
1-3
Outfit Workshop
Allows Dwellers to craft clothing items.
1,200 caps
12,000 caps
90,000 caps
3
Fitness Room
Allows Dwellers to train their Endurance stat.
600 caps
1,500 caps
4,500 caps
1-3
Lounge
Allows Dwellers to train their Charisma stat.
600 caps
1,500 caps
4,500 caps
1-3
Theme Workshop
Allows Dwellers to craft themes for other rooms.
3,200 caps
16,000 caps
120,000 caps
3
Game Room
Allows Dwellers to train their Luck stat.
600 caps
1,500 caps
4,500 caps
1-3
Barbershop
Allows Dwellers to change their appearance.
10,000 caps
50,000 caps
2
Nuclear Reactor
Produces Power for the Vault.
1,200 caps
3,000 caps
9,000 caps
1-3
Garden
Produces Food for the Vault.
1,200 caps
3,000 caps
9,000 caps
1-3
Water Purification
Produces Water for the Vault.
1,200 caps
3,000 caps
9,000 caps
1-3
Nuka-Cola Bottler
Produces Food and Water for the Vault.
3,000 caps
15,000 caps
45,000 caps
1-3
The cost of a room will increase each time you build one, so plan your layout carefully.
Rooms can be upgraded twice to reach level three, where they will be more efficient at producing the corresponding resources.
What Is The Max Room Size?
The maximum room size in Fallout Shelter is three merged rooms, meaning that a standard room will connect to two adjoining rooms of the same type to create one massive room. This enhances efficiency of the corresponding resource produced there.
Some rooms, like the different workshops, only come in the largest size, so you'll need to plan accordingly if you want to place them in your Vault. Others can be upgraded accordingly later on.
How To Merge Rooms
To merge rooms, you'll need to build two of the same type of room right next to each other. They will automatically join together and create one larger room.
The rooms must be at the same level, so try upgrading the new room if it won't join with the previous one.
Merging rooms is a great way to increase efficiency, improve storage, and create more spaces for Vault Dwellers to work.
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