This story begins deep in Campbell's soup labs, where Dr. Guggenheim was working on a new substance that kept Cream of Mushroom Soup from rotting. Unfortunately, he didn't realize that this mixture also made the soup extremely toxic, so the factory's employees had to wear full body suits and carry compressed air tanks at all times. The soup was transferred to a top secret Campbell's Soup research facility in the Southwestern US. The mixture also caused an interdimensional link to The Mushroom Zone, where giant (slightly smaller than human), walking, talking mushrooms with arms and legs run amok (Descriptions and Pictures of the Mushrooms). The Mushrooms made their purpose clear by using their Anti-Human rays to turn all of the factory's workers into mushrooms. They went on to declare the facility their base.
The Mushrooms soon brought reinforcements from The Mushroom Zone, and they began to overpower the renegade humans. The humans further used their scientific knowledge to create such weapons as the Desint-o-Ray (pronounced dee sin + t oh ray), the Vac-o-Matic, the Toast-o-Matic, and the Mutate-o-Ray. (Descriptions and Pictures of these weapons), but The Mushrooms outnumbered them 8,000 to 1. The humans enlisted more people to join their Anti-Mushroom army, including an insane attempted suicide bomber named Reeman, a fool named Ericson, a (very) heavy weapons expert named Smith, the constantly dying Johnson (or at least they keep cloning him and the clones keep dying), and a chef named Pierre (Descriptions and Pictures of the humans). With their new forces and a leader simply known as Commander, the humans were able to hold back The Mushrooms' forces for a while. The Mushrooms, however, once again brought reinforcements, this time with bigger guns. The Mushrooms finally gained control of the world in 2030 A.D., when they declared the planet Earth to be "The Mushroom Empire". Many humans were killed off in the battle, and most were mushroomized when The Mushrooms conquered the world. Some people, such as Smith (Please Note: even though all humans who fought at the beginning of The Mushroom Wars were dead long before the end of it and were replaced by clones, the same name is used throughout this story, so it may seem that Smith lived to be 2,080 years old. Only his genetic code lasted that long. Or longer.) and Pierre didn't want to let The Mushrooms take over (for obvious reasons.) Smith became famous for jumping out of nowhere into battles the humans were loosing and shooting all of the mushrooms there. He modified a rocket launcher to fit his liking and caused The Mushrooms major losses. Pierre, on the other hand, opened up a fine eatery, invited cherries to dine, and served up sliced, burnt mushrooms by the basketfull. This was a great advantage to the humans, because Pierre used only the finest evil mushrooms in his meals. The cherries always nodded yes when presented with a plate of fried fungus.
And so the fifteen fighting humans left (there were still thousands more hiding away in major cities and towns where The Mushrooms had overlooked them) were able to hold their ground.