| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,613 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,164 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,579 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,562 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,516 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,688 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,379 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,055 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,936 |
| Countries with Megacities | 0 | - | 4.99 | 266,940 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,774 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,077 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,964 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,089 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,194 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,249 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,590 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,405 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,297 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,974 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,629 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,880 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,190 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,586 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,910 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,897 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,302 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,418 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,832 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,745 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,223 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,498 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,775 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,935 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,596 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,687 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,186 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,365 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,268 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,996 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,593 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,931 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,535 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,760 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,813 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,859 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,906 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,669 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,675 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,894 |
| Random U.S. States on a Map | 0 | - | 4.96 | 630,067 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,870 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,363 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,347 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,987 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,654 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,839 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,824 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,958 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,537 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,891 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,311 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,634 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,732 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,868 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,183 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,541 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,611 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,967 |
| Largest City by Island | 0 | - | 4.87 | 72,427 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,410 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,662 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,118 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,108 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,408 |
| Megacities on a World Map | 0 | - | 4.98 | 256,786 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,746 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,639 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,560 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,161 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,322 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,492 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,254 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,623 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,776 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,858 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,502 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,180 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,507 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,846 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,735 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,219 |
| Vietnam War Countries | 0 | - | 4.82 | 94,586 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,620 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,893 |
| U.S. Senators by State | 0 | - | 4.44 | 40,101 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,778 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,789 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,302 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,961 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,036 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,688 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,997 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,678 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,265 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,522 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,424 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,413 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,137 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,885 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,787 |
| Most Populous Islands | 0 | - | 4.80 | 123,310 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,380 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,645 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,973 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,015 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,472 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,381 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,588 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,990 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,506 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,404 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,406 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,135 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,326 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,540 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,768 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,440 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,996 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,996 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,227 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 118,083 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,273 |
| California A-Z | 0 | - | 4.49 | 28,841 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,746 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,108 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,820 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,996 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,076 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,644 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,992 |
| Biggest Cities in History | 0 | - | 4.52 | 90,571 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,146 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,961 |
| Biggest City by Region | 0 | - | 4.50 | 36,387 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,328 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,693 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,119 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,606 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,300 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,437 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,540 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,564 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 65,016 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,690 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,657 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,122 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,150 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,942 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,550 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,065 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,711 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,569 |
| World Capitals Quiz | 0 | - | 5.00 | 5,104,260 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,680 |
| Which City in California? | 0 | - | 4.56 | 32,150 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,855,919 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,176 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,802,561 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,418 |
| Name a Valid U.S. President #1 | 0 | - | 4.90 | 193,720 |
| Boundary Waters | 0 | - | 4.92 | 88,750 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,403 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,914 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,372 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,671 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,303 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,939 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,938 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,300 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,940 |
| Population Trivia | 0 | - | 4.32 | 27,561 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,133 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,177 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,970 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,284 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,136 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,577 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,304 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,913 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,874 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,079 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,165 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,158 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,761 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,088 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,996 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,478 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,896 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,530 |
