What happens if I ignore my Fallout Shelter game for two weeks?

I just started playing Fallout Shelter yesterday. I'm going to be working away from civilization for two weeks and will not have the time nor power nor inclination to play a phone game. I would like to not come back to a shelter full of skeletons.
What can I do to mitigate the damage to my shelter after two weeks with no Overseer? Can I pause or slow the game? Should I recall all my explorers?
Best Answer
@GodEmperorDune suggested in their answer that I send out some explorers "for science" to see what happened. Here are the results.
For Science! was sent into the wasteland August 27th, 4:08pm with a weapon and clothing. Case Control was sent August 27th, 4:02pm with no weapons nor clothing.
The game was closed and not re-opened until September 10th, about 10:45pm for a total of 14 days 6 hours 40 minutes. During this period my phone was turned on and off several times, ran out of battery several times, and had intermittent cell and Internet access. It did not change time zones.
I came back to find them both dead.
There are some curious anomalies. They were both killed by a Super Mutant (one to a normal and one to an Overlord). Both leveled up three times. Both logs last about 10 hours, the same within a minute. Both were only dead 7 days 10 hours. Both could be revived for 1000 caps, which I presume is some sort of maximum.
They were out for 14 days, their logs only lasted 10 hours, yet they were only dead for 7 and a half days. Where did the missing week go? Did the madness of the wasteland grip them so even good bookkeeping abandoned them?!
One thing is answered, dead explorers can be revived even after they've been dead for a week... at least if you don't open the game. How long they stay around while playing is an experiment for another time.
In order to satisfy the ethics committee, both explorers were revived and are now making their long journey back to the vault.
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Can I pause Fallout Shelter?
There is no pausing; everything happens over time. Each minute passed IRL, is another minute that will be calculated the next time you open up the game. The closest thing one could get to pausing, is to exit the game completely.Can you lose in Fallout Shelter?
- to lose: evict all dwellers (tell a dweller to go outside, click and drag them to outside vault door, click the red gear on the bottom right of the window that shows up) or find a way to have them all die. lack of food will slowly drain their health, but will take quite some time to kill them.How often should you check Fallout Shelter?
As such, make sure you check in with your vault at least once a day. I left my vault alone for 24 hours and came back to find most of my population irradiated because my water supply had fallen below my storage capacity; if you don't check it every so often, your dwellers might not be in great shape when you return.Fallout Shelter Free Lunchbox Trick!! Infinity, No cheat, No Jailbreak | Fallout Trick \u0026 Glitch
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Answer 2
You only need to recall your explorers. They'll die in the wilderness if you don't. When you're not playing the game you vault only continues to consume resources for a short while, and no incidents, like fires or raider attacks can occur. You'll come back to the game much like you left it.
One other thing to be aware of is that you only have 24 hours to resurrect dead dwellers. If you have any dead dwellers lying around the vault or in the wilderness you should bring them back to life before you leave.
One tip: If you have training rooms, it would be a good idea to fill them up with dwellers with the highest stat for that room. Timers continue to run while you're not playing the game, but they won't reset until you start playing again and click on the dwellers/rooms.
Answer 3
The game will effectively pause itself after all of the existing timers have elapsed. If you have 2 minutes left on your power, for example, the game will "run for 2 minutes" then will stop. Hunger, thirst, etc., will all be paused at that point, no raiders, radroach attacks, or anything of that nature once all of the existing timers are at zero.
That does not, however, include dwellers exploring the wasteland. They will continue to explore until they die, or you recall them.
Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.
Images: RODNAE Productions, Raka Miftah, RODNAE Productions, Tima Miroshnichenko