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As the overseer of your very ownFallout Shelter, you’re faced with the overwhelming task of keeping your Vault Dwellers safe, but in order for your vault to run at maximum efficiency, you also need to keep them happy. And what better way to turn those frowns upside down than with a visit from Nuka-Cola’s mascots, Bottle and Cappy?
Who knows who is inside the suits, or if these two carbonated characters are some kind of horrible new wasteland mutant. Either way, they’ll bring your Vault Dwellers joy, bottlecaps, and ice-cold Nuka-Cola, for a refreshing burst of atomic energy. If you can find them, that is.

How To Unlock Bottle And Cappy As Guests
Bottle and Cappy have been kidnapped from Nuka-World, and it’s up to you to save them. Soon after building the Overseer’s Office, you’ll see a quest calledBottlecap Blues, which is thefirst of five quests in the Nabbed from Nuka-World questline.
Bottlecap Blues requires your Vault Dwellers to beat least level 12 and equipped with weapons that deal at least four damage. Up to three Vault Dwellers can go on this quest. Later quests require higher levels and damage.

Track down Bottle and Cappy’s kidnappers.
Rusty laser pistol
Level 12,
4+ DAM weapons
Look for traces of Bottle and Cappy in theabandoned factory, where they were last spotted.
Pursue Bottle and Cappy’s kidnappers.
Rare junk
Level 13,
5+ DAM weapons
A survivor who recently escaped from Raiders suggests searchingVault 177. Look for signs here.
Assault rifle,
Common junk,
402 caps
Level 14,
Look aroundPoseidon Energy’s officesfor any clues about where Bottle and Cappy might be.
Advanced radiation suit
Level 15,
6+ DAM weapons
Look through theRobCo Buildingto find any indication of where Bottle and Cappy could be.
Rescue Bottle and Cappy from the Nuka-Cola Factory.
Save Bottle and Cappy from theNuka-Cola Factory, ending the questline.
These quests have pretty minimal requirements, but you’ll find them to be much easier if your Vault Dwellersare higher level and better equipped.
Once you’ve rescued Bottle and Cappy from the Raiders, they’ll reward you withtwo bottles of Nuka-Cola Quantumanda promise to visit your vault later.
What Do Bottle And Cappy Do?
Unlike legendary Vault Dwellers, Bottle and Cappy will not move into your vault. Instead, they’ll make irregular visits, opening your Vault Door without waiting for permission to enter and then exploring the vault freely.
While Bottle and Cappy are in your vault,all Vault Dwellers will get a temporary 20 percent boost to their happiness.
Happiness is important because itaffects the rate at which your vault produces resourcesand howfast your Vault Dwellers complete trainingto improve theirSPECIALstats.
Bottle and Cappy usually split up after entering the vault, but try to keep an eye on them both. Every once in a while they’ll stop exploring to dance and wave, accompanied by a special music track. Tapping onCappyduring this animationwill get you a handful of bottlecaps.Tapping onBottlewill get youcaps or Nuka-Cola Quantum.