| Countries of Europe by Population | 0 | - | 4.98 | 177,683 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,702 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,800 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,681 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,896 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,762 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,460 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,839 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,008 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,457 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,038 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,855 |
| Countries with Megacities | 0 | - | 4.99 | 246,173 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,776 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,732 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,242 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,665 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,179 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,029 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,720 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,686 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,748 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,397 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,488 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,144 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,446 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,404 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,485 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,647 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,578 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,318 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,381 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,211 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,400 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,938 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,052 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,630 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,551 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,249 |
| Biggest Cities in the United States | 0 | - | 4.93 | 964,972 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,462 |
| North American Sports Cities | 0 | - | 4.83 | 170,747 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,880 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,035 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,085 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,160 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,749 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,283 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,465 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,200 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,674 |
| Largest City by Island | 0 | - | 4.87 | 70,939 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,214 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,394 |
| Biggest European Cities by Century | 0 | - | 4.98 | 131,928 |
| Megacities on a World Map | 0 | - | 4.98 | 250,217 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,554 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,710 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,742 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,463 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 166,983 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,291 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,145 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,179 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,499 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,479 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,712 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,090 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,860 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,819 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 163,986 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,955 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,628 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,068 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,588 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,255 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,048 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,854 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,710 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,076 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,506 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,326 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,211 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,458 |
| Most Populous Islands | 0 | - | 4.78 | 121,905 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,190 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,391 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,585 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,797 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,868 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,478 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,036 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,263 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,449 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,651 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,509 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,940 |
| Boundary Waters | 0 | - | 4.92 | 87,991 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,174 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,761 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,368 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,233 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,992 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,832 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,880 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,644 |
| Biggest City by Region | 0 | - | 4.50 | 35,964 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,863 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,603 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,124 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,362 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,016 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,134 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,995 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,201 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,885 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,602 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,616 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,741 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,304 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,439 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,232 |
| Biggest Cities in Germany | 0 | - | 4.95 | 290,945 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,052 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,948 |
| Random European Capital to Country | 0 | - | 4.98 | 189,048 |
| Random European Country to Capital | 0 | - | 4.92 | 147,332 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,265 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,327 |
| Random African Capital to Country | 0 | - | 4.97 | 99,672 |
| Random African Country to Capital | 0 | - | 4.94 | 70,149 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,850,770 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,266 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,273 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,707 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,376 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,075 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,271 |
| Biggest Cities in Europe | 0 | - | 4.70 | 541,519 |
| Biggest Cities in History | 0 | - | 4.52 | 89,038 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,048 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,153 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,143 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,141 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,916 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,865 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,000 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,378 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,859 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,324 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,781 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,022 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,888 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,859 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,528 |
| Landlocked Countries | 0 | - | 4.99 | 412,869 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,719 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,183 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,361 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,564 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,105 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,902 |
| Most Populous Countries in 1950 | 0 | - | 4.62 | 85,355 |
| Population Trivia | 0 | - | 4.32 | 27,409 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,826 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,527 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,963 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,649 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,455 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,067 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,983 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,168 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,802 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,253 |
| American Cities by Stadium | 0 | - | 4.02 | 36,474 |
| City by Football Clubs | 0 | - | 4.37 | 136,965 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,909 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,826 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 400,996 |
| Island Countries | 0 | - | 4.99 | 707,231 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,226 |
| Himalayan Countries | 0 | - | 4.95 | 135,047 |
| Andean Countries | 0 | - | 4.94 | 82,660 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,080 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,983 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,753 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,462 |
| Danube Countries | 0 | - | 4.97 | 70,992 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,635 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,453 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,288 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,193 |
| European Landlocked Countries | 0 | - | 4.99 | 145,666 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,052 |
| Countries with the Most Species | 0 | - | 4.99 | 95,187 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,190 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,174 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,333 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,908 |
