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Small Ugly Goo
First appearance Volcanic Percolator Day Spa
Color Beige/brown (body)
White-black (eyes)
Abilities Can withstand spikes
Can be collected by any pipe (eyes)

Small Ugly Goo is a species of Goo in the video game World of Goo. They are released when a large Ugly Goo touches a gear. They are first introduced in Volcanic Percolator Day Spa and behave very much like Dark Black Goos as neither can be used to build structures nor they can be picked up manually.


The Small Ugly Goo are used most often in aiding the Beauty Goo or Small Beauty Goo, because of their durability. When Small Beauty Goo are not present, Small Ugly Goo may be collected in the red pipe.

Extra parts

As the Goos released are smaller bits of the larger Ugly Goo, some of the small goos released resemble eyes. Though large Beauty Goo have different eyes, the small version do not, and therefore, when both Beauty and Ugly versions of Small Beauty Goo are present, the eyes of either Goo can be collected by the red pipe. This makes it possible in Genetic Sorting Machine to get a few extra Goos.