| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,511 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,302 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,916 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,340 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,643 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,414 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,912 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,648 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,877 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,922 |
| Countries with Megacities | 0 | - | 4.99 | 264,610 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,759 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,482 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,017 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,555 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,349 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,005 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,947 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,209 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,160 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,569 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,743 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,228 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,456 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,703 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,735 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,156 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,337 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,497 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,988 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,163 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,766 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,238 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,625 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,196 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,359 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,429 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,438 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,330 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,240 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,655 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,344 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,576 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,527 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,523 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,539 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,143 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,877 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,320 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,135 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,585 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,259 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,686 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,937 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,589 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,847 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,796 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,406 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,067 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,277 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,015 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,878 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,741 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,814 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,126 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,757 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,739 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,257 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,165 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,280 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,825 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,906 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,104 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,063 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,767 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,558 |
| Olympic Host Countries | 0 | - | 4.98 | 201,108 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,098 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,666 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,764 |
| The Only European Country ... | 0 | - | 4.91 | 217,380 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,790 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,572 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,741 |
| Countries of Africa | 0 | - | 5.00 | 2,544,794 |
| Biggest Cities in History | 0 | - | 4.52 | 90,301 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,128 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,538 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,680 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,092 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,073 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,494 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,104 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,646 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,555 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,908 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,302 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,057 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,972 |
| Largest City by Island | 0 | - | 4.87 | 72,067 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,200 |
| Megacities on a World Map | 0 | - | 4.98 | 255,341 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,412 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,514 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,187 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,221 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,703 |
| Former Capitals | 0 | - | 4.88 | 71,519 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,693 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,362 |
| Countries of the Middle East | 0 | - | 4.96 | 201,679 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,554 |
| Slavic Countries | 0 | - | 4.96 | 111,878 |
| African Island Countries | 0 | - | 4.96 | 101,869 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,963 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,990 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,442 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,766 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,232 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,783 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,830 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,615 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,341 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,917 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,019 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,709 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,395 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,430 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,793 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,476 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,361 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,220 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,434 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,003 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,765 |
| Most Populous Islands | 0 | - | 4.80 | 123,048 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,325 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,569 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,155 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,355 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,216 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,740 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,708 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,184 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,341 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,908 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,684 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,092 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,184 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,234 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,545 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,272 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,204 |
| Monarchies of Europe | 0 | - | 4.90 | 98,346 |
| Monarchies of Asia | 0 | - | 4.97 | 71,221 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,489 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,017 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,467 |
| Countries that Start with A | 0 | - | 4.98 | 2,166,621 |
| Countries that Start with B | 0 | - | 4.95 | 2,298,015 |
| Countries that Start with C | 0 | - | 4.96 | 1,824,972 |
| Countries that Start with D | 0 | - | 4.96 | 711,740 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,628 |
| Countries that Start with G | 0 | - | 4.97 | 1,505,893 |
| Countries that Start with H | 0 | - | 4.96 | 606,227 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,237 |
| Countries that Start with J | 0 | - | 4.98 | 603,835 |
| Countries that Start with K | 0 | - | 4.97 | 817,375 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,580 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,627 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,024 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,499 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,260 |
| Countries that Start with U | 0 | - | 4.97 | 905,647 |
| Countries that Start with V | 0 | - | 4.98 | 610,142 |
| Countries that Start with F | 0 | - | 4.83 | 618,745 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,753 |
| The Only African Country ... | 0 | - | 4.99 | 129,270 |
| The Only American Country ... | 0 | - | 4.92 | 121,815 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,205 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,887 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,038 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,841 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,251 |
| European Countries with One Border | 0 | - | 4.97 | 183,112 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,892 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,396 |
| Boundary Waters | 0 | - | 4.92 | 88,579 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,256 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,281 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,737 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,620 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,589 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,000 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,629 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,823 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,092 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,699 |
| UK Immigration by Country | 0 | - | 4.94 | 141,156 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,366 |
