| Countries of Europe by Population | 0 | - | 4.98 | 177,858 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,802 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,888 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,747 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,937 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,787 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,518 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,882 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,346 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,141 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,398 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,960 |
| Countries with Megacities | 0 | - | 4.99 | 246,413 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,874 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,776 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,329 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,731 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,748 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,058 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,763 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,783 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,800 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,428 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,530 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,193 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,569 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,548 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,701 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,771 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,820 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,409 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,455 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,415 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,493 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,990 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,102 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,685 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,620 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,448 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,780 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,600 |
| North American Sports Cities | 0 | - | 4.83 | 170,810 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,901 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,112 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,103 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,227 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,825 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,338 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,515 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,309 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,762 |
| Largest City by Island | 0 | - | 4.87 | 70,986 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,336 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,457 |
| Biggest European Cities by Century | 0 | - | 4.98 | 141,261 |
| Megacities on a World Map | 0 | - | 4.98 | 250,720 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,886 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,746 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,798 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,575 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,072 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,373 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,218 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,202 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,553 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,518 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,751 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,149 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,975 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,825 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,051 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,021 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,642 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,076 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,794 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,316 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,101 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,889 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,909 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,189 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,531 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,423 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,257 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,529 |
| Most Populous Islands | 0 | - | 4.78 | 121,936 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,194 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,399 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,595 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,827 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,906 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,506 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,072 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,349 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,507 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,721 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,590 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,338 |
| Boundary Waters | 0 | - | 4.92 | 88,019 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,793 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,218 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,799 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,396 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,309 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,171 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,861 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,889 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,669 |
| Biggest City by Region | 0 | - | 4.50 | 35,982 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,881 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,629 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,187 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,399 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,119 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,193 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,002 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,211 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,897 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,647 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,690 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,781 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,385 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,479 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,243 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,066 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,139 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,979 |
| Random European Capital to Country | 0 | - | 4.98 | 189,110 |
| Random European Country to Capital | 0 | - | 4.92 | 147,376 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,307 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,350 |
| Random African Capital to Country | 0 | - | 4.97 | 99,691 |
| Random African Country to Capital | 0 | - | 4.94 | 70,167 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,879,170 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,331 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,363 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,785 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,456 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,102 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,315 |
| Biggest Cities in Europe | 0 | - | 4.70 | 541,827 |
| Biggest Cities in History | 0 | - | 4.52 | 89,079 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,099 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,167 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,174 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,210 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,927 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,940 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,025 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,447 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,918 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,544 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,851 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,090 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,941 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,873 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,201 |
| Landlocked Countries | 0 | - | 4.99 | 413,156 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,463 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,244 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,396 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,579 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,127 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,946 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,696 |
| Population Trivia | 0 | - | 4.32 | 27,416 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,842 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,565 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,971 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,659 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,460 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,085 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,009 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,186 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,848 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,265 |
| American Cities by Stadium | 0 | - | 4.02 | 36,476 |
| City by Football Clubs | 0 | - | 4.37 | 136,995 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,926 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,959 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,318 |
| Island Countries | 0 | - | 4.99 | 707,398 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,382 |
| Himalayan Countries | 0 | - | 4.95 | 135,158 |
| Andean Countries | 0 | - | 4.94 | 82,732 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,148 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,082 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,819 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,513 |
| Danube Countries | 0 | - | 4.97 | 71,032 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,694 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,487 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,364 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,282 |
| European Landlocked Countries | 0 | - | 4.99 | 145,701 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,110 |
| Countries with the Most Species | 0 | - | 4.99 | 95,215 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,261 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,189 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,351 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,928 |
