| Click the Correct Continent | 102,387 | 0 | - |
| 15 Most Populous Countries that Speak a Romance Language | 128,470 | 0 | - |
| The Diseases They Had | 14,082 | 0 | - |
| Diseases and Medical Conditions A-Z | 58,299 | 0 | - |
| Diseases: Virus... or Bacteria? | 39,003 | 0 | - |
| Diseases: Deadliest Infectious Diseases by Country | 1,336 | - | - |
| Most Common Elements in the Human Body | 152,589 | 0 | - |
| Elements by Picture | 70,389 | 0 | - |
| Elements of the Periodic Table | 2,263,545 | 0 | - |
| Ethnic Groups A-Z | 42,566 | 0 | - |
| Five Biggest Immigrant Groups by Country #1 | 181,893 | 0 | - |
| Five Biggest Immigrant Groups by Country #2 | 89,817 | 0 | - |
| European Diaspora - Top 11 Countries | 96,973 | 0 | - |
| African Diaspora - Top 10 Countries | 73,557 | 0 | - |
| Countries by Net Migration | 84,303 | 0 | - |
| Most Desired Destinations for Potential Migrants | 50,152 | - | - |
| Most Populous Native American Tribes | 12,497 | 0 | - |
| 23 Largest Ethnic Groups in Africa | 1,003 | - | - |
| Countries with Above Average Fertility – Sudden Death | 30,591 | 0 | - |
| Monarchies - Sudden Death | 86,828 | 0 | - |
| Monarchies of the World | 170,534 | 0 | - |
| Rocks and Minerals Picture Quiz | 29,547 | 0 | - |
| World Leaders by Picture | 267,053 | 0 | - |
| Clothing by Picture | 11,634 | 0 | - |
| Reptile Picture Quiz | 14,400 | 0 | - |
| Weapons by Picture | 21,223 | 0 | - |
| Statues of People Picture Quiz | 26,130 | 0 | - |
| London Football Clubs Map | 2,063 | - | - |
| Recommended Childhood Vaccines for Americans | 14,779 | 0 | - |
| Letters of the Greek Alphabet | 652,825 | 0 | - |
| Name that Greek Letter | 325,237 | 0 | - |
| Zone 1 London Underground Stations - With a Map | 52,839 | 0 | - |
| Largest Objects in the Solar System | 138,710 | 0 | - |
| International Scientific Units | 158,540 | 0 | - |
| Major Taxonomic Ranks | 81,260 | 0 | - |
| Cities by Skyline Silhouette - Map Quiz | 124,794 | 0 | - |
| Famous Buildings by Picture A-Z | 2,597 | - | - |
| Largest Land Animals of Asia | 8,358 | 0 | - |
| English Inventions #2 | 8,729 | 0 | - |
| Insect Knowledge #2 | 9,021 | 0 | - |
| London City Airport Destinations (London, UK) | 221 | - | - |
| Top 100 Most Viewed Cities on Wikipedia | 4,086 | - | - |
| Famous People Named Thomas | 67,497 | 0 | - |
| Famous Dictators #2 | 87,864 | 0 | - |
| Famous European Cities by Picture | 65 | - | - |
| Countries with the Most Military Troops | 291,890 | 0 | - |
| Countries With the Most English Speakers | 133,133 | 0 | - |
| Top North/South American Languages on the Map | 1,513 | - | - |
| Five Languages with the Most Native Speakers by Continent | 63,104 | 0 | - |
| Geological Extremes | 40,125 | 0 | - |
| Countries Larger Than Texas but With Fewer People | 40,327 | 0 | - |
| Click the Compass #1 | 58,991 | 0 | - |
| Same... or Different? | 40,487 | 0 | - |
| Most Educated Cities in the United States | 76,501 | 0 | - |
| Top 10 Least-Educated U.S. States | 91,450 | 0 | - |
| Top 10 Most-Educated U.S. States | 85,336 | 0 | - |
| Spain by Picture | 14,870 | 0 | - |
| Spanish Animal Words | 96,008 | 0 | - |
| Pasta... or Composer? | 26,887 | 0 | - |
| Most Mentioned Enemies of the USA | 176,232 | 0 | - |
| Countries With the Most Executions | 65,980 | 0 | - |
| Name That Punctuation Quiz | 241,944 | 0 | - |
| Is... It... Art? | 23,629 | 0 | - |
| The Only Remaining U.S. State . . . | 66,200 | 0 | - |
| Count to 10 in Europe: Pro | 69,852 | 0 | - |
| Five Countries with the Most JetPunk Users by Continent | 9,616 | 0 | - |
| Birth States of U.S. Presidents - Whammies | 2,337 | 0 | - |
| U.S. History A-Z #2 | 4,686 | 0 | - |
| The Life of Thomas Edison | 4,930 | 0 | - |
