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Cappy in a Haystack is a side quest in the Fallout 4 add-on Nuka-World.

Quick walkthrough

Side quest: Cappy in a Haystack 
Talk to Sierra Petrovita
Reward: Cappy glasses
Hidden Cappy contest hints 
Find Cappy in Nuka-Town USA
Find Cappy in Safari Adventure
Find Cappy in Dry Rock Gulch
Find Cappy in Galactic Zone
Find Cappy in Kiddie Kingdom
Find Cappy in World of Refreshment
Return to Sierra. 
Search the offfice 
Turn off the life support. 
Let J.C. Bradberton live. 
Reward: 400+ XP
Nuka-nuke launcher 
Reward: Nuka-World jumpsuit 

Detailed walkthrough

HiddenCappy-NukaWorld

"E"-Cappy

Between the Parlor and the Fizztop Grille, Sierra Petrovita is encountered talking to a raider. Intercepting the conversation reveals that she has come to find the reward for finding hidden Cappys throughout the park. Given that the reward was meeting John-Caleb Bradberton, the creator of Nuka-Cola, she figures that his office might contain the original recipe of the drink. She gives her sunglasses and a holotape to the Sole Survivor to allow them to help her search for the hidden Cappys. Once close to a quest marker, it disappears, encouraging a thorough search of the area.

The "hidden Cappy" figures are paintings on concrete surfaces in public areas of the park, and there are ten to be found. Without the Cappy glasses equipped, the player sees only a fuzzy Cappy figure with a blurred speech bubble; with the glasses equipped the code is revealed. Click on the revealed figure to register the code and update the quest. Note that the Cappy glasses do not work when worn under power armor. To see the code, either simply take off the helmet (one might have to re-equip the cappy glasses even though the box in front of them is ticked off as if they are already equipped), or exit the power armor, click on the hidden Cappy, then re-enter power armor.

Nuka-Town USA

There is one located west of the Fizztop Grille, on the large wall beside the restrooms building.

Safari Adventure

There are two in the Safari Adventure. The first Cappy is through the hedge maze beneath the treehouse, against a wall on the eastern edge. From the entrance, the order of turns is: right, right, left, left, and right. The second is just outside the primate house. Look for the gorilla statue to the right of the door and pass through a patch in the hedge to get to the statue's back. Cappy is on the back of the plinth.

Dry Rock Gulch

There are two in Dry Rock Gulch. The first is located on the back of a gravestone next to the Giddyup Kid protectron. The second is in Mad Mulligan's Mine, on the wall of a little shack beside the waterfall.

Galactic Zone

There are two in the Galactic Zone. The first is at the entrance to the dead traders' camp around the back of Star Control entrance. The sign should be on the left side entrance, right next to the Employees Only sign at the Expert locked gate. The second is up the ramp to the left of the RobCo Battlezone. Turn right immediately at the top of the Spacewalk ramp, and the Cappy is on the right wall near the trash bins.

Kiddie Kingdom

There are two in the Kiddie Kingdom. One is in the Fun House in the turntable room, second door on the left when entering from the topsyturvy room or second door on the right when entering from the room with control terminal for The Fun House. The second one is located on the top floor of a destroyed wooden clocktower, just west of the bridge leading to King Cola's Castle.

World of Refreshment

There is one in World of Refreshment. Inside the plant, following the Nuka-Cola Quantum river, it is on the side of a two-story building across from the Nuka Victory sign in the wild west setting. Going in the opposite direction that was intended for the ride helps the player character spot it easily, it'll be on the right hand just after entering the wild west setting from the 'wrong' direction.

Return to Sierra

Return to Sierra Petrovita. Putting the hidden Cappy clues in the right order results in "REFRESHING", as stated by Sierra. Use the keypad to unlock Bradberton's office. In the office on the second floor, there is a button on the right hand side of the Nuka-Cola machine. This unlocks an elevator that leads down to a small vault, containing the head of the owner and inventor of Nuka-Cola: John-Caleb Bradberton.

Siding with Bradberton

He will request the machine to be shut down to end his torment of being trapped in there for decades. If one chooses to honour his request and to shut off the power, John-Caleb dies and the locked door will open. Behind the door is a Nuka-nuke launcher, Nuka-nukes, the Nuka-Cola formula as well as various Nuka-Colas, and the key to Bradberton's expertly locked vault in his office. The Nuka-Cola formula must be given to Sierra to complete the quest and she rewards 500 caps in return

Siding with Sierra

Sierra on the other hand wants to keep him alive, offering that she can keep John-Caleb company to keep from being lonely. She offers the Nuka-World jumpsuit as a reward.

Rewards

If siding with Bradberton
  • Nuka-nuke launcher - Awarded after siding with John-Caleb Bradberton over Sierra Petrovita and cutting power to the Vault.
  • 500 caps after siding with Bradberton and then handing the Nuka-Cola formula to Sierra.
If siding with Petrovita
  • Nuka-World jumpsuit - Awarded upon completion of the quest after siding with Sierra Petrovita to keep John-Caleb Bradberton alive.

Quest stages

Quest stages
StageStatusDescriptionLog Entry
5 Follow Sierra on her Tour
8 Talk to Sierra
9 Equip the Cappy Glasses
10 Find the Hidden Cappy in Nuka-Town USA
20 Find the Hidden Cappys in Dry Rock Gulch
30 Find the Hidden Cappys in Galactic Zone
40 Find the Hidden Cappys in Kiddie Kingdom
50 Find the Hidden Cappys in Safari Adventure
60 Find the Hidden Cappy in the Bottling PlantI met Sierra Petrovita, a Nuka-Cola fanatic who traveled to Nuka-World in order to find something important. In order to earn her trust and learn what she's looking for, I agreed to let her give me a tour of Nuka-Town USA.
70 Return to Sierra Petrovita
80 Use the Keypad
90 Search the Office
95 Explore the Vault
100 Talk to the HeadSierra Petrovita asked for my help in finding 10 Hidden Cappy images in the park. Each one has part of a code she needs to access the office of John-Caleb Bradberton, the inventor of Nuka-Cola. I need to wear the Cappy glasses Sierra gave me in order to see the Hidden Cappy codes.
110 Accept Sierra's Offer OR Shut Off the Power
120 Shut Off the Power
130 Obtain the Nuka-Cola Formula
140 Give the Nuka-Cola Formula to Sierra
1000Quest finishedQuest complete

Notes

  • Cappy clues are non-interactable if the player character is inside power armor. Even if the player character wears the Cappy glasses inside the power armor, the clue remains non-interactable. However, if the player character 'unequips' the power armor helmet and replaces it with the glasses, the clues are interactable.
  • It is possible to acquire both the Nuka-nuke launcher and Sierra's Nuka-World jumpsuit by siding with her first and shutting down the vault's power after she has handed over the item. The doors to the weapon storage will open, but Sierra will turn hostile if this path is chosen although the Sole Survivor can choose to leave the area to avoid having to kill her.
  • Bradberton having his head cryogenically frozen may be a reference to the myth that Walt Disney was cryogenically frozen after his death.
  • Although John-Caleb asks the Sole Survivor to release him from his suffering, appealing to a humane or sympathetic side of them while only mentioning the contents behind the vault door as an extra incentive, the only dialogue replies when choosing to kill John-Caleb seem to be out of personal gain and are based on greed and the desire to obtain the Nuka-Cola Quantum based ammo. There seems to be no dialogue choice to indicate that the choice is out of pity for John-Caleb or to honor his request.
  • If one sides with Sierra and completes the quest, the power can still be shut off, resulting in Sierra turning hostile.

Behind the scenes

This quest is a derivative of "needle in a haystack."

Bugs

  • PCPC Hidden clues may fail to activate once the player character has found them.[verified]
    • Playstation 4Playstation 4 On consoles, this can only be resolved by reverting to an earlier save.
    • PCPC On PC, one can use the console command SetStage DLC04MS01 200 to complete the search for the clues.
  • PCPC After taking the elevator to the vault and following Sierra up the stairs, Sierra can become stuck in the corner of the stairwell or on the walkway.[verified]
    • To fix this, leave and re-enter Bradberton's office, then return to the vault. Sierra should be found talking to Bradberton's head, and the quest can be continued.
    • PCPC PC players can also use the console command moveto player to teleport her out of the corner, and she will continue her path towards the door.
  • PCPC Once the inner door to the vault is opened, Sierra may stand in place instead of entering the vault.[verified]
    • This can be fixed by closing the door again, which should then trigger Sierra to continue normally.
    • It seems bashing her with a gun works as well. However, she might turn hostile to the player. In this case, the player should holster their weapon.
  • PCPC If the player tells Sierra that they plan to kill Bradberton, the conversation will be repeatable as long as they don't throw the switch. Companions influenced by this dialogue option may react every time this option is chosen.[verified]
  • PCPC Even if the player chooses to side with Bradberton and kill him, the final Pip-Boy log after completing the quest will say "Despite Bradberton's wish to be etherized, I accepted Sierra's offer of a reward to keep him alive."[verified]

Gallery

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