| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,787 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,140 |
| Countries with Megacities | 0 | - | 4.99 | 246,806 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,061 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,938 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,484 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,824 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,923 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,586 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,827 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,894 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,873 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,471 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,586 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,603 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,968 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,038 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,214 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,134 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,320 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,916 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,394 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,581 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,452 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,282 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,260 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,605 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,559 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,808 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,212 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,105 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,087 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,608 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,844 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,929 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,925 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,979 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,840 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,978 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,825 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,387 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,588 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,554 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,274 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,127 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,449 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,949 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,109 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,636 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,656 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,884 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,842 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,014 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,477 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,508 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,573 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,048 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,154 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,736 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,673 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,964 |
| Olympic Host Countries | 0 | - | 4.98 | 198,890 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,808 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,539 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,474 |
| The Only European Country ... | 0 | - | 4.91 | 213,807 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,123 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,521 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,200 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,652 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,085 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,579 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,544 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,760 |
| Countries of Africa | 0 | - | 5.00 | 2,507,620 |
| Boundary Waters | 0 | - | 4.92 | 88,036 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,811 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,275 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,439 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,845 |
| Largest City by Island | 0 | - | 4.87 | 71,034 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,388 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,535 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,319 |
| Megacities on a World Map | 0 | - | 4.98 | 250,924 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,791 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,861 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,724 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,143 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,298 |
| Countries of the Middle East | 0 | - | 4.96 | 198,897 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,249 |
| Slavic Countries | 0 | - | 4.96 | 110,850 |
| African Island Countries | 0 | - | 4.96 | 100,781 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,496 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,403 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,001 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,699 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,478 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,098 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,784 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,614 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,708 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,755 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,150 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,157 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,283 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,563 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,260 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,400 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,234 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,502 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,190 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,696 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,570 |
| Most Populous Islands | 0 | - | 4.79 | 121,982 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,200 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,403 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,724 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,139 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,024 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,309 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,561 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,010 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,497 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,290 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,275 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,912,326 |
| Landlocked Countries | 0 | - | 4.99 | 413,515 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,190 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,356 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,333 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,362 |
| Monarchies of Europe | 0 | - | 4.90 | 97,305 |
| Monarchies of Asia | 0 | - | 4.97 | 70,595 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,823 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,430 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,748 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,590 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,685 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,144 |
| Countries that Start with D | 0 | - | 4.96 | 701,430 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,399 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,647 |
| Countries that Start with H | 0 | - | 4.96 | 597,871 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,167 |
| Countries that Start with J | 0 | - | 4.98 | 595,930 |
| Countries that Start with K | 0 | - | 4.97 | 809,313 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,766 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,636 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,443 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,372 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,140 |
| Countries that Start with U | 0 | - | 4.97 | 899,865 |
| Countries that Start with V | 0 | - | 4.98 | 605,044 |
| Countries that Start with F | 0 | - | 4.83 | 612,118 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,203 |
| The Only African Country ... | 0 | - | 4.99 | 128,353 |
| The Only American Country ... | 0 | - | 4.92 | 120,753 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,775 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,246 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,034 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,381 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,029 |
| European Countries with One Border | 0 | - | 4.97 | 181,613 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,515 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,103 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,157 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,991 |
| Population Trivia | 0 | - | 4.32 | 27,422 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,905 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,903 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,698 |
| Biggest City by Region | 0 | - | 4.50 | 35,994 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,897 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,534 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,115 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,454 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,571 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,017 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,221 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,918 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,786 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,254 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,816 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,845 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,549 |
| Himalayan Countries | 0 | - | 4.95 | 135,325 |
| Andean Countries | 0 | - | 4.94 | 82,808 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,205 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,176 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,883 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,588 |
| Danube Countries | 0 | - | 4.97 | 71,069 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,747 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,529 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,453 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,372 |
| European Landlocked Countries | 0 | - | 4.99 | 145,742 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,186 |
