| Countries of Europe by Population | 0 | - | 4.98 | 177,836 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,794 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,880 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,742 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,932 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,785 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,512 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,878 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,327 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,088 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,385 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,950 |
| Countries with Megacities | 0 | - | 4.99 | 246,393 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,864 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,774 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,321 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,725 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,706 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,053 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,757 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,772 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,791 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,427 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,528 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,186 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,562 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,540 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,682 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,762 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,801 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,401 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,453 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,403 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,491 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,988 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,097 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,684 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,612 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,437 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,703 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,593 |
| North American Sports Cities | 0 | - | 4.83 | 170,805 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,899 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,108 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,102 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,216 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,816 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,334 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,508 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,292 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,755 |
| Largest City by Island | 0 | - | 4.87 | 70,986 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,331 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,454 |
| Biggest European Cities by Century | 0 | - | 4.98 | 141,032 |
| Megacities on a World Map | 0 | - | 4.98 | 250,697 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,857 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,742 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,794 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,567 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,067 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,367 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,214 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,201 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,551 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,516 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,745 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,146 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,965 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,825 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,042 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,013 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,642 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,074 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,776 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,310 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,097 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,886 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,905 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,181 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,528 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,415 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,252 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,524 |
| Most Populous Islands | 0 | - | 4.78 | 121,932 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,194 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,398 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,595 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,824 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,898 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,501 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,068 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,343 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,506 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,719 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,585 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,282 |
| Boundary Waters | 0 | - | 4.92 | 88,017 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,793 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,215 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,794 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,391 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,305 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,153 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,857 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,889 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,665 |
| Biggest City by Region | 0 | - | 4.50 | 35,981 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,881 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,628 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,185 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,394 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,107 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,184 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,001 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,210 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,897 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,642 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,687 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,778 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,379 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,478 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,242 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,058 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,136 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,978 |
| Random European Capital to Country | 0 | - | 4.98 | 189,108 |
| Random European Country to Capital | 0 | - | 4.92 | 147,370 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,306 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,348 |
| Random African Capital to Country | 0 | - | 4.97 | 99,690 |
| Random African Country to Capital | 0 | - | 4.94 | 70,166 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,876,667 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,327 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,355 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,778 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,448 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,098 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,312 |
| Biggest Cities in Europe | 0 | - | 4.70 | 541,798 |
| Biggest Cities in History | 0 | - | 4.52 | 89,075 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,097 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,166 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,170 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,202 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,927 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,936 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,024 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,442 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,916 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,539 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,844 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,083 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,937 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,873 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,008 |
| Landlocked Countries | 0 | - | 4.99 | 413,136 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,138 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,238 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,390 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,579 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,126 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,941 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,695 |
| Population Trivia | 0 | - | 4.32 | 27,416 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,841 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,561 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,971 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,658 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,460 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,084 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,008 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,183 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,839 |
| 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 | 136,991 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,837 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,940 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,277 |
| Island Countries | 0 | - | 4.99 | 707,383 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,373 |
| Himalayan Countries | 0 | - | 4.95 | 135,155 |
| Andean Countries | 0 | - | 4.94 | 82,724 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,144 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,075 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,817 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,510 |
| Danube Countries | 0 | - | 4.97 | 71,028 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,692 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,485 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,356 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,278 |
| European Landlocked Countries | 0 | - | 4.99 | 145,697 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,106 |
| Countries with the Most Species | 0 | - | 4.99 | 95,215 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,256 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,187 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,348 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,926 |
