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Nuka-Cola was the most popular flavored soft drink in the United States before the Great War. After the War, Nuka-Cola remains the most popular soft drink of the post-nuclear world, as much of it was preserved in a fairly pristine state, although it tends to be warm.
Nuka-Cola was invented in 2044 by John Caleb-Bradberton. Its unique taste gained widespread popularity quickly, ending with it becoming the most popular soft drink in the United States with an extremely dedicated following. The widely known Dazzling Blue bottle color was adopted as standard in 2052, after market research programs indicated that the blue color was the favorite in 86 people out of a hundred polled.
The ingredients of Nuka-Cola are: carbonated water, caramel color, aspartame, phosphoric acid, potassium benzoate (to protect taste), natural flavors, citric acid, and caffeine. What gives it the unique flavor is the essence of seventeen different fruits mixed in just the right proportion to give the beverage its trademark taste. Some versions of the drink also include vitaminerals and health tonics. During the Great Passion Fruit Famine of 2044, people actually noticed the taste difference when the recipe was changed.
The company began to develop a product called Nuka-Cola Clear, with only minimal loss of life. They were able to modify the look of Nuka-Cola but give it the same great taste. The formula and some entries on a research terminal can be found in the Nuka-Cola Plant, but it was never produced.
Nuka-Cola Quartz is a flavor of Nuka-Cola unique to the American southwest, in a similar sort of situation to Nuka-Cola Quantum. It is a clear drink with no coloring, much like the Nuka-Cola Clear. This version of the soft drink also gives you Low-Light Vision, much like Cateye.
Nuka-Cola Victory is another flavor of Nuka-Cola that is unique to the American southwest. It is colored orange, giving it a distinct look much like the Nuka-Cola Quantum of the east coast.
Cherry Nuka-Cola is a variation of regular Nuka-Cola. After it was introduced, it turned out that nobody liked the taste. This resulted in a marketing disaster for the company, which quickly attempted to save the brand by introducing the Classic Nuka-Cola, tasting exactly like the original but in a new bottle. The story of its introduction, rejection, and replacement by Classic Nuka-Cola mimics that of New Coke.
<section begin="yellow" /> Yellow Nuka-Cola is a "variation" of regular Nuka-Cola, yellow in color with an "interesting" smell. In Chicago, during the Brotherhood of Steel reign, there were reports of this strange Yellow Nuka-Cola. However, it was quickly identified as a substance designed by a "mad naked man" who "made water". Considering this, and the fact that it's poisonous to anyone with the temerity to actually drink it, it is apparent that the so-called cola is in fact a generous helping of urine. <section end="yellow" />
<section begin="fusion" /> Phil, the Nuka-Cola dude, had the thankless job of riding around the Wasteland with his bike and refilling all of the Nuka-Cola machines that littered it. It was a tradition passed down (rather stupidly) from generation to generation. Phil was not impressed and doesn't like Nuka-Cola that much. It is rumored that he had something called Fusion Nuka-Cola, a unique, unknown taste which was created by fusing together some Nuka-Cola dregs into a concentrated essence. <section end="fusion" />