Vault Disasters | Basics Fallout Shelter Guide

The more dwellers sent to fend off the disaster, the more effective is this action.

Independently to how good you manage your Vault, you have to be prepared for some random events. From time to time you'll find out that there is a disaster in some rooms. It is not hard to fend them off, don't ignore them though if you don't want it to spread into other rooms. Both kinds of disasters also appear when you try to use a "rush" option and you fail. In both cases your dwellers can die.

Fire

Fire in a small room isn't very dangerous.

One of disasters your dwellers have to face is fire. It is easier to fight than radroach infestation, it doesn't mean that it can be ignored though. Most often it happens in empty room or after failure when using "rush" option. Dweller in the room will automatically grab the extinguisher and start to fight with the fire. Remember that the bigger the room is, the more difficult it is to extinguish the fire, so always send enough dwellers to this action. It doesn't matter who it will be because everybody fight with the fire in the same way - by using extinguisher.

Radroach infestation

Don't ignore radroaches - send well equipped dwellers to fight them.

Radroaches are more dangerous than fire and usually cause more serious injuries. As fire, them appearing is a random event or a result of unsuccessful attempt to use the "rush" option. In contrast to fighting against the fire, it is important who you send to cope with radroaches. Appropriate weapon will be helpful if you want to fight it quickly. It is not essential though and you can also send dwellers without a weapon.

How to cope with disasters

Pregnant women can't fight against disasters - make sure there is always somebody around that is able to do this.

Each disaster is announced by an alarm. "Rush" option, building new rooms and upgrading existing ones will be blocked until you cope with a disaster, so if you don't want to disorganize the functioning of the Vault, try to do it as soon as possible, using all of your dwellers. Strength of the disaster depends on a room - the bigger it is, the more difficult it is to extinguish the fire.

Fire and radroaches can spread to neighbouring rooms very fast.

Dwellers automatically get back to their work right after the disaster is gone, so you can use your best - equipped dwellers to fend off the radroaches infestation, knowing that your work system won't be perturbed. To empty rooms affected by the disaster send dweller living closest to it. If you don't take any action for a longer while, fire and radroaches can spread to neighboring rooms. The alarm won't stop until you extinguish the fire and fend off radroaches in every single room.

Important: Disasters don't spread through elevators - it means that if you are building rooms every two floors, you won't have to worry about the fire or radroaches spreading to other levels. It doesn't affect the rooms that are on the same level, separated with an elevator. Disasters left unattended in separated rooms will worn off automatically after some time.

In case of a disaster, all pregnant women escape from the room

As mentioned before, pregnant women and children are not able to fight against disasters, therefore it is advised to put at least one dweller that is able to do it - he can call support and thus prevent the negative effects from spreading to other rooms.

If you pay, dead dweller can be brought back to life

Dwellers are not immortal and they can be killed. When it happens, their body is laying on the floor until you remove it or pay to bring them back to life - click on the corpse to see both options. Revival costs some amount of caps and it depends on the dwellers skills and experience level. Stimpaks production and regular treatment is much cheaper option.