|This is an overview article which contains background information and cross-game comparisons. For game-specific information and stats, see the articles linked on the right.|
 Fat Man
The Fat Man is an effective mortar/artillery weapon, allowing a person to bombard a large area with good precision and deadly force. It uses a mini nuke for ammunition which when fired, results in a small nuclear blast.
 Experimental MIRV
Although highly similar to the Fat Man, the experimental MIRV fires 8 mini nukes at once instead of 1, making it more powerful and with a bigger blast radius, at the cost of losing 8 mini nukes at once.
Esther is a unique Fat Man with a different rear mechanism, a blast shield, a light-blue body, and a thick glass or plastic bed holding the mini nukes. It weighs 10 pounds more than a standard Fat Man, but does not jam, and is more powerful.
Only available with the Gun Runners' Arsenal add-on.
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Concept art by Adam Adamowicz