Categories run the gamut from common knowledge to rare and from simple
to extremely difficult. Here is a short list of a few of the
categories run in recent years from the first half of the alphabet:
| All sorts of conductors | Fast food restaurants |
| American History | Food in New Orleans |
| Amusing words in the UNIX culture | Gambling games |
| Animals beginning with B | Geographical wonders |
| Questions about movies [Audio category] | Geography of famous foodstuffs |
| Automobiles | Great guitar pickers |
| Bad engineering creations | Gustatory delights |
| Barnyard animals | Hard words to spell |
| Baseball terms | Hoaxes |
| Catastrophes | Holidays and customs |
| Challenging questions about frequencies | Large cities |
| Chemical formulae | Liquor and spirits |
| Circus sideshows | Locations of areacodes |
| Cities and geography | Magazines |
| Classical music | Meat |
| Clocks | Medical specialties |
| College team nicknames | Money and finance |
| Colors | Money in different countries |
| Constellations | Money systems |
| Cooking measures | Monty Python |
| Cows | Name the TV show theme [Audio category] |
| Current movies | Name the acronym |
| Dilbert the cartoon | Name the cartoon from its theme |
| Dimensionless units | Name the commercial |
| Easy physics questions | Name the country's currency |
| Easy questions about sports | Name these world leaders |
| Elemental Abbreviations | TV |
| Elementary computer science questions | TV cartoons [Audio category] |
| European History | TV show themes [Audio category] |
| Famous inventors | U.S. coinage |
| Famous lakes | US magazines |
Here are the questions (and answers) for one of the easier
categories: Circus Sideshows.
