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For an overview of this weapon in the Fallout series of games, see Fat Man.
FalloutShelterAppleStoreLogoThe following is based on Fallout Shelter and some details might contradict canon.
Portable nuclear bombs, guided right to their targets. Yes!— In-game description

The guided Fat Man is a weapon that appears in Fallout Shelter.


The guided Fat Man is an accurate nuclear launcher featured in Fallout Shelter. Dealing 22 - 26 damage per attack, it has the second highest damage output for a heavy weapon in the game.



Icon gun Icon damage Icon merchant Icon rarity
Rusty Fat Man 22 500 legendary
Fat man 22-23 500 legendary
Enhanced Fat Man 22-24 500 legendary
Hardened Fat Man 22-25 500 legendary
Guided Fat Man 22-26 500 legendary
MIRV 22-27 500 legendary



A high Strength statistic is needed to effectively create the guided Fat Man.

Shovel (5)
Icon range
Caps x21,500
Icon level
Guided Fat Man (1)


Contrary to what one might expect from a nuclear catapult, all variants of the Fat Man in Fallout Shelter are poor choices for combat against multiple opponents. Every target in the room is hit at once, but the weapon's listed damage output is split evenly between each target instead of being applied to each one in full. Refer to the weapons page for details.


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