Building a room in "Fallout Shelter" is one of the most important decisions you will likely make in the game. Here are some tips on how effectively build rooms, along with the size, lay out and where to strategically position them.

"Fallout Shelter" room building is about maximizing space and getting the most out of adjacency bonuses and extensions. In building a room in "Fallout Shelter," one must take into consideration the convenience and access for disaster-fighting dwellers to get around.

"Fallout Shelter" Space Factors

The most important factor to consider for room placement is space. Take note that every room, except Barbershop and Elevator, can be upgraded up to three times. In order to strategically build rooms, expand your room to a maximum of three spaces along by putting copies of a certain room proximate to one another.

This will give you more storage and resource yields. In addition, it will enable a single dweller to work a room thrice the size of what he or she would have had before the expansion.

You can also only demolish a room in "Fallout Shelter" if it does not connect to the next. However, take note that rearranging your Vault is a costly exercise. When building a room, always leave space for at least three of each major resource earning room. These are the Diner, Water Treatment and Power Generator, says Eurogamer.

"Fallout Shelter" Rooms and Their Functions

In "Fallout Shelter," rooms have purposes and several of these rooms give special bonuses, says Gameskinny. One room is Vault Door, which can house guards and is used as an initial defense against attackers. Living Quarters, on the other hand, gives Charisma, which grants additional max population, and is used for breeding. In addition, Storage Room gives Endurance and increases storage capacity for weapons and outfits not in use. It can house at most 12 Dwellers.