| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,409 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,258 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,836 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,291 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,598 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,337 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,842 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,995 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,769 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,714 |
| Countries with Megacities | 0 | - | 4.99 | 264,116 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,554 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,380 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,822 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,435 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,038 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,694 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,823 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,026 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,017 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,491 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,641 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,158 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,157 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,663 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,583 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,024 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,259 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,427 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,941 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,079 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,657 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,112 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,432 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,075 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,240 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,304 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,304 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,105 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,029 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,497 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,211 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,501 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,403 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,479 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,406 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,125 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,854 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,264 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,096 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,516 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,136 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,533 |
| Biggest Cities in the World | 0 | - | 4.91 | 799,964 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,549 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,773 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,706 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,342 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,968 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,154 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,850 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,552 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,578 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,398 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,000 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,669 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,281 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,122 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,004 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,191 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,708 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,784 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,785 |
| Biggest Cities in the United States | 0 | - | 4.94 | 979,748 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,478 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,296 |
| Olympic Host Countries | 0 | - | 4.98 | 200,952 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,969 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,456 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,108 |
| The Only European Country ... | 0 | - | 4.91 | 217,027 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,540 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,364 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,706 |
| Countries of Africa | 0 | - | 5.00 | 2,541,042 |
| Biggest Cities in History | 0 | - | 4.52 | 90,239 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,773 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,504 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,556 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,045 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,928 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,389 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,001 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,506 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,300 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,886 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,277 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,883 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,764 |
| Largest City by Island | 0 | - | 4.87 | 71,974 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,085 |
| Megacities on a World Map | 0 | - | 4.98 | 254,989 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,848 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,440 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,073 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,947 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,552 |
| Former Capitals | 0 | - | 4.88 | 71,493 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,729 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,028 |
| Countries of the Middle East | 0 | - | 4.96 | 201,366 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,424 |
| Slavic Countries | 0 | - | 4.96 | 111,774 |
| African Island Countries | 0 | - | 4.96 | 101,744 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,923 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,837 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,233 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,567 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,034 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,612 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,677 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,467 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,172 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,786 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,855 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,672 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,310 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,312 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,688 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,352 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,266 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,097 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,354 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,955 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,633 |
| Most Populous Islands | 0 | - | 4.80 | 122,980 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,313 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,550 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,058 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,191 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,162 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,248 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,557 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,108 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,261 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,754 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,655 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,981 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,104 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,197 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,412 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,204 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,145 |
| Monarchies of Europe | 0 | - | 4.90 | 98,241 |
| Monarchies of Asia | 0 | - | 4.97 | 71,149 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,446 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,955 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,105 |
| Countries that Start with A | 0 | - | 4.98 | 2,164,715 |
| Countries that Start with B | 0 | - | 4.95 | 2,296,337 |
| Countries that Start with C | 0 | - | 4.96 | 1,823,629 |
| Countries that Start with D | 0 | - | 4.96 | 710,744 |
| Countries that Start with E | 0 | - | 4.95 | 1,378,446 |
| Countries that Start with G | 0 | - | 4.97 | 1,504,683 |
| Countries that Start with H | 0 | - | 4.96 | 605,547 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,299 |
| Countries that Start with J | 0 | - | 4.98 | 603,188 |
| Countries that Start with K | 0 | - | 4.97 | 816,663 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,714 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,728 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,144 |
| Countries that Start with S | 0 | - | 4.98 | 1,756,276 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,639 |
| Countries that Start with U | 0 | - | 4.97 | 905,140 |
| Countries that Start with V | 0 | - | 4.98 | 609,778 |
| Countries that Start with F | 0 | - | 4.83 | 618,215 |
| Countries that Start with M | 0 | - | 4.97 | 1,382,796 |
| The Only African Country ... | 0 | - | 4.99 | 129,203 |
| The Only American Country ... | 0 | - | 4.92 | 121,719 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,162 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,831 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,967 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,697 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,120 |
| European Countries with One Border | 0 | - | 4.97 | 182,952 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,730 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,293 |
| Boundary Waters | 0 | - | 4.92 | 88,515 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,215 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,188 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,588 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,533 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,495 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,961 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,582 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,590 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,963 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,550 |
| UK Immigration by Country | 0 | - | 4.94 | 141,032 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,303 |
