| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,504 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,246 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,092 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,197 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,196 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,540 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,505 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,739 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,135 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,910 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,351 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,922 |
| Countries with Megacities | 0 | - | 4.99 | 246,328 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,842 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,762 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,295 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,703 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,750 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,757 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,787 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,416 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,516 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,802 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,093 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,197 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,791 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,317 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,490 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,309 |
| Biggest European Cities by Century | 0 | - | 4.98 | 140,245 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,349 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,209 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,029 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,999 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,696 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,501 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,764 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,857 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,722 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,923 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,772 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,864 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,295 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,875 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,885 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,799 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,691 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,591 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,813 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,884 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,695 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,568 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,436 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,382 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,212 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,613 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,047 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,087 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,542 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,520 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,637 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,744 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,745 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,388 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,440 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,354 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,471 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,979 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,085 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,673 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,605 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,522 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,567 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,114 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,793 |
| Olympic Host Countries | 0 | - | 4.98 | 198,789 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,750 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,386 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 302,947 |
| The Only European Country ... | 0 | - | 4.91 | 213,571 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,914 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,369 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,162 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,442 |
| Countries of Africa | 0 | - | 5.00 | 2,505,377 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,308 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,394 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,659 |
| Biggest Cities in History | 0 | - | 4.52 | 89,062 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,093 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,163 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,588 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,707 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,637 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,073 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,276 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,737 |
| Largest City by Island | 0 | - | 4.87 | 70,975 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,441 |
| Megacities on a World Map | 0 | - | 4.98 | 250,623 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,793 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,735 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,786 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,554 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,059 |
| Former Capitals | 0 | - | 4.88 | 71,099 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,805 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,112 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,320 |
| Countries of the Middle East | 0 | - | 4.96 | 198,757 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,183 |
| Slavic Countries | 0 | - | 4.96 | 110,790 |
| African Island Countries | 0 | - | 4.96 | 100,691 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,391 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,466 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,868 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,748 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,610 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,396 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,963 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 59,729 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,202 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,520 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,615 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,691 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,121 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,103 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,219 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,488 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,177 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,337 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,152 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,445 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,084 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,144 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,521 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,729 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,389 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,240 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,174 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,274 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,123 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,265 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,279 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,309 |
| Monarchies of Europe | 0 | - | 4.90 | 97,239 |
| Monarchies of Asia | 0 | - | 4.97 | 70,550 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,789 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,395 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,609 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,230 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,485 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,183 |
| Countries that Start with D | 0 | - | 4.96 | 700,775 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,613 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,817 |
| Countries that Start with H | 0 | - | 4.96 | 597,293 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,493 |
| Countries that Start with J | 0 | - | 4.98 | 595,368 |
| Countries that Start with K | 0 | - | 4.96 | 808,810 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,194 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,049 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,879 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,548 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,643 |
| Countries that Start with U | 0 | - | 4.97 | 899,503 |
| Countries that Start with V | 0 | - | 4.98 | 604,693 |
| Countries that Start with F | 0 | - | 4.83 | 611,658 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,549 |
| The Only African Country ... | 0 | - | 4.99 | 128,290 |
| The Only American Country ... | 0 | - | 4.92 | 120,681 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,748 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,106 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,507 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,788 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,209 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,977 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,254 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,947 |
| European Countries with One Border | 0 | - | 4.97 | 181,506 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,008 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,035 |
| Most Populous Islands | 0 | - | 4.78 | 121,924 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,193 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,397 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,824 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,729 |
| Biggest British Empire Countries | 0 | - | 4.73 | 87,243 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,853 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,619 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,597 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,244 |
| Countries That Border Russia | 0 | - | 4.98 | 458,644 |
| Countries Bordering France | 0 | - | 4.85 | 397,577 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,796 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,498 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,058 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,322 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,484 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,699 |
