The increased damage comes at the cost of reduced range, which can cause serious harm to an unprotected individual. Mini nuke, Big Kid - This variant is significantly more powerful than a standard mini nuke and produces more residual radiation.Mini nuke, low yield - This variant has less explosive power and a smaller kill radius than a standard mini nuke, but with the trade-off of increased range and cheaper price.Due to their rarity and effectiveness, mini nukes are the most valuable ammunition type in-game. The Lonesome Road add-on introduces the possibility of mini nukes randomly spawning in duffle bags and other containers.

They weigh 3 pounds each in Hardcore mode and are shaped like the WWII atomic bomb, the ' Fat Man.' Their explosion is powerful, causing a characteristic mushroom cloud and leaving residual radioactivity, initially 40 rads/second, but which quickly drops to low levels that linger for quite a while.

Mini nukes are much less common in Fallout: New Vegas than in Fallout 3: there are only 14 in the base game (12 with the Wild Wasteland trait).

Fallout new vegas nuke