- Randall sometimes includes the words facts (or fact) in his comics. This is when the facts are not very fun, because in those cases he would have used Fun fact instead. See more about facts in the link.
- Click to expand for a more detailed explanation:
- There were, at the time of creation of this page, three comics with "facts" in the title.
- But also at least two others with a fact in the text!
- The last of these was the latest comic at the time of creation of this category, 2564: Sunshield, which had an Astronomy fact. And was the reason for the creation of this category.
- The next fact comic, 2596: Galaxies, also had an Astronomy fact, the first time a fact has been repeated, other than within the Fun Fact context.
- This category is reminiscent of Category:Tips, which was created after the Category:Protip in similar way. The grouping of each Category:Fun fact is much older than this, although the two older and more specific categories are now subcatagories of the newer umbrella terms.
- So far there have been the following specific Fact subjects: