The Vim Factory is located in Toadwood Forest, which is part of the Mushroom Kingdom. The Vim Factory only makes an appearance in Mario & Luigi: Partners in Time. The factory was created by the Shroobs during their raid on the Mushroom Kingdom. The Shroobs discovered that the "Vim" created by Toads could be combined with chemicals to produce the fuel needed to operate much of the Shroob technology.
Created before the Princess Peach of the present arrived in the past, the Vim Factory was a crucial part of the invasion of the Mushroom Kingdom. Greatly looming over the forest, the Factory turned the entire Toadwood Forest into a vim gathering machine. The Shroobs found a way to make the trees of the forest grab Toads and hold them tight, sucking out their vim as they did so. These trees could be related to the large, ominous tree that was inside the Vim Factory, although this was never confirmed.
Mario and Luigi first came to the factory when they were infants (referred to as Baby Mario and Baby Luigi), riding on the backs of their older selves, who had come from the future to save Princess Peach. They were able to use their small size and hammers to help their older selves out of several jams, including the Factory's security system, which held them tightly in the large tree's nostrils.
Protecting the factory were two 1337-(read: leet-) speaking Hammer Bros., whose minds were being controlled through helmets controlled by the Shroobs. The babies were able to save them from their fate as slaves. There were also hoards of new enemies, including Dr. Shroobs and Lakitufos. The Shroobs had also enlisted a nasty Wiggler-like Shroob named Swiggler, who transported the fuel to the Shroob's UFOs. Swiggler was also a guardian of a piece of the Cobalt Star. The factory features the only known Yellow Switches in the Mushroom Kingdom.
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