| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,512 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,303 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,921 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,340 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,645 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,416 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,915 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,673 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,879 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,929 |
| Countries with Megacities | 0 | - | 4.99 | 264,626 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,763 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,489 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,027 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,565 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,388 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,013 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,949 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,218 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,168 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,572 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,749 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,231 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,468 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,703 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,739 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,159 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,337 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,499 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,988 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,164 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,770 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,239 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,635 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,200 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,365 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,431 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,440 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,336 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,246 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,665 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,349 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,578 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,530 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,524 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,543 |
| 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 | 64,321 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,135 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,587 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,262 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,690 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,963 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,590 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,849 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,797 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,411 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,072 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,282 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,020 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,881 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,746 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,834 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,130 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,759 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,750 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,259 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,170 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,283 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,831 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,909 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,113 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,105 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,777 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,567 |
| Olympic Host Countries | 0 | - | 4.98 | 201,114 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,102 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,677 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,781 |
| The Only European Country ... | 0 | - | 4.91 | 217,389 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,797 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,579 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,742 |
| Countries of Africa | 0 | - | 5.00 | 2,544,958 |
| Biggest Cities in History | 0 | - | 4.52 | 90,304 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,139 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,539 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,683 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,094 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,081 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,498 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,104 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,650 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,560 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,909 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,303 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,059 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,980 |
| Largest City by Island | 0 | - | 4.87 | 72,071 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,205 |
| Megacities on a World Map | 0 | - | 4.98 | 255,351 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,433 |
| 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 | 75,190 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,227 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,706 |
| Former Capitals | 0 | - | 4.88 | 71,520 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,734 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,371 |
| Countries of the Middle East | 0 | - | 4.96 | 201,686 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,558 |
| Slavic Countries | 0 | - | 4.96 | 111,880 |
| African Island Countries | 0 | - | 4.96 | 101,873 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,964 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,993 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,451 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,817 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,234 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,789 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,835 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,617 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,348 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,924 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,024 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,711 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,398 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,434 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,795 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,479 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,362 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,221 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,434 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,004 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,766 |
| Most Populous Islands | 0 | - | 4.80 | 123,049 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,326 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,569 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,157 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,360 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,217 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,746 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,711 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,184 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,345 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,909 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,685 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,094 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,187 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,234 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,550 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,276 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,205 |
| Monarchies of Europe | 0 | - | 4.90 | 98,353 |
| Monarchies of Asia | 0 | - | 4.97 | 71,224 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,489 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,021 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,478 |
| Countries that Start with A | 0 | - | 4.98 | 2,166,661 |
| Countries that Start with B | 0 | - | 4.95 | 2,298,064 |
| Countries that Start with C | 0 | - | 4.96 | 1,825,016 |
| Countries that Start with D | 0 | - | 4.96 | 711,769 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,657 |
| Countries that Start with G | 0 | - | 4.97 | 1,505,922 |
| Countries that Start with H | 0 | - | 4.96 | 606,247 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,258 |
| Countries that Start with J | 0 | - | 4.98 | 603,851 |
| Countries that Start with K | 0 | - | 4.97 | 817,394 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,601 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,653 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,048 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,543 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,271 |
| Countries that Start with U | 0 | - | 4.97 | 905,657 |
| Countries that Start with V | 0 | - | 4.98 | 610,145 |
| Countries that Start with F | 0 | - | 4.83 | 618,760 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,783 |
| The Only African Country ... | 0 | - | 4.99 | 129,271 |
| The Only American Country ... | 0 | - | 4.92 | 121,817 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,209 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,889 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,042 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,850 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,258 |
| European Countries with One Border | 0 | - | 4.97 | 183,117 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,896 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,400 |
| Boundary Waters | 0 | - | 4.92 | 88,579 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,259 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,281 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,744 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,622 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,592 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,002 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,630 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,828 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,095 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,705 |
| UK Immigration by Country | 0 | - | 4.94 | 141,159 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,367 |
