| Most Populous Countries by Year | 0 | - | 4.83 | 110,158 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,910 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,976 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,980 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 91,799 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,078 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,349 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,960 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,533 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,284 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,625 |
| Countries with Megacities | 0 | - | 4.99 | 249,650 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,459 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,748 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,796 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,716 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,412 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,129 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,502 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,174 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,224 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,886 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,716 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,422 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,030 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,554 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,860 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,028 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,668 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,102 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,267 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,569 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,656 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,747 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,485 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,118 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,225 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,749 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,493 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,095 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,712 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,920 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,245 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,558 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,728 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,068 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,251 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,576 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,294 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,584 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,403 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,502 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,078 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,534 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,363 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,314 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,647 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,683 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,683 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,259 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,198 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,068 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,872 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,271 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,546 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,650 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,129 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,226 |
| Biggest Cities in the United States | 0 | - | 4.93 | 973,796 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,171 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,028 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,239 |
| Olympic Host Countries | 0 | - | 4.98 | 199,896 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,437 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,581 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,022 |
| The Only European Country ... | 0 | - | 4.91 | 215,608 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,443 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,545 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,527 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,353 |
| Countries of Africa | 0 | - | 5.00 | 2,525,838 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,032 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,022 |
| Biggest Cities in History | 0 | - | 4.52 | 89,919 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,248 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,348 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,845 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,362 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,765 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,189 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,808 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,760 |
| Largest City by Island | 0 | - | 4.87 | 71,537 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,490 |
| Megacities on a World Map | 0 | - | 4.98 | 252,753 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,204 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,109 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,541 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,893 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,915 |
| Former Capitals | 0 | - | 4.88 | 71,332 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,824 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,810 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,682 |
| Countries of the Middle East | 0 | - | 4.96 | 200,496 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,867 |
| Slavic Countries | 0 | - | 4.96 | 111,372 |
| African Island Countries | 0 | - | 4.96 | 101,296 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,100 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,741 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.85 | 46,089 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,292 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,963 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,988 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,957 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,496 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,133 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,966 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,479 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,447 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,290 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,387 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,466 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,683 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,835 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,031 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,849 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,849 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,704 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,957 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,560 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,374 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,801 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,128 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,826 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,665 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,003 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,485 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,626 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,933 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,830 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,831 |
| Monarchies of Europe | 0 | - | 4.90 | 97,816 |
| Monarchies of Asia | 0 | - | 4.97 | 70,898 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,057 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,718 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,931 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,971 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,906 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,211 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,899 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,107 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 269,478 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,851 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,229 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,994 |
| Countries that Start with A | 0 | - | 4.98 | 2,156,389 |
| Countries that Start with B | 0 | - | 4.95 | 2,288,458 |
| Countries that Start with C | 0 | - | 4.96 | 1,817,234 |
| Countries that Start with D | 0 | - | 4.96 | 706,282 |
| Countries that Start with E | 0 | - | 4.95 | 1,373,235 |
| Countries that Start with G | 0 | - | 4.97 | 1,498,809 |
| Countries that Start with H | 0 | - | 4.96 | 601,924 |
| Countries that Start with I | 0 | - | 4.92 | 1,284,888 |
| Countries that Start with J | 0 | - | 4.98 | 599,876 |
| Countries that Start with K | 0 | - | 4.97 | 813,003 |
| Countries that Start with L | 0 | - | 4.98 | 1,087,696 |
| Countries that Start with N | 0 | - | 4.93 | 1,114,392 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,085 |
| Countries that Start with S | 0 | - | 4.98 | 1,750,669 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,564 |
| Countries that Start with U | 0 | - | 4.97 | 902,635 |
| Countries that Start with V | 0 | - | 4.98 | 607,742 |
| Countries that Start with F | 0 | - | 4.83 | 615,434 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,247 |
| The Only African Country ... | 0 | - | 4.98 | 128,816 |
| The Only American Country ... | 0 | - | 4.92 | 121,286 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,987 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,559 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,569 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,116 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,651 |
| European Countries with One Border | 0 | - | 4.97 | 182,324 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,162 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,848 |
| Most Populous Islands | 0 | - | 4.80 | 122,698 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,263 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,482 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,108 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,336 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,638 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,080 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,424 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,862 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,080 |
| Countries That Border Russia | 0 | - | 4.98 | 460,749 |
| Countries Bordering France | 0 | - | 4.83 | 401,530 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,324 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,737 |
