| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,268 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,189 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,738 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,248 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,534 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,237 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,736 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,179 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,607 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,436 |
| Countries with Megacities | 0 | - | 4.99 | 263,274 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,270 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,229 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,569 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,268 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,509 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,293 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,713 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,778 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,882 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,389 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,531 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,073 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,747 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,600 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,430 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,873 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,141 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,303 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,885 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,966 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,491 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,978 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,186 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,948 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,113 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,940 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,168 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,864 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,830 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,315 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,819 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,422 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,258 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,408 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,213 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,099 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,813 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,215 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,060 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,427 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,974 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,323 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,684 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,503 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,673 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,661 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,265 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,889 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,919 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,517 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,001 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,311 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,795 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,795 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,502 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,571 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,873 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,534 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,033 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,460 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,618 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,283 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,261 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,126 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,015 |
| Olympic Host Countries | 0 | - | 4.98 | 200,718 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,818 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,226 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,395 |
| The Only European Country ... | 0 | - | 4.91 | 216,600 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,232 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,111 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,649 |
| Countries of Africa | 0 | - | 5.00 | 2,536,700 |
| Biggest Cities in History | 0 | - | 4.52 | 90,146 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,397 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,456 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,395 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,001 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,763 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,270 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,889 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,376 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,242 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,854 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,250 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,514 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,380 |
| Largest City by Island | 0 | - | 4.87 | 71,854 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,938 |
| Megacities on a World Map | 0 | - | 4.98 | 254,483 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,078 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,336 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,914 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,631 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,346 |
| Former Capitals | 0 | - | 4.88 | 71,452 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,632 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,686 |
| Countries of the Middle East | 0 | - | 4.96 | 201,154 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,277 |
| Slavic Countries | 0 | - | 4.96 | 111,652 |
| African Island Countries | 0 | - | 4.96 | 101,624 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,874 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,682 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,009 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,116 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,888 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,505 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,498 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,120 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,963 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,653 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,728 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,604 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,219 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,197 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,571 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,225 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,143 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,989 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,255 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,873 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,471 |
| Most Populous Islands | 0 | - | 4.80 | 122,922 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,301 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,531 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,931 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,952 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,056 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,569 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,396 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,957 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,133 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,581 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,611 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,891 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,972 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,157 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,278 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,114 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,076 |
| Monarchies of Europe | 0 | - | 4.90 | 98,139 |
| Monarchies of Asia | 0 | - | 4.97 | 71,086 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,372 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,884 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,808 |
| Countries that Start with A | 0 | - | 4.98 | 2,162,400 |
| Countries that Start with B | 0 | - | 4.95 | 2,294,103 |
| Countries that Start with C | 0 | - | 4.96 | 1,821,871 |
| Countries that Start with D | 0 | - | 4.96 | 709,464 |
| Countries that Start with E | 0 | - | 4.95 | 1,377,022 |
| Countries that Start with G | 0 | - | 4.97 | 1,503,117 |
| Countries that Start with H | 0 | - | 4.96 | 604,657 |
| Countries that Start with I | 0 | - | 4.92 | 1,288,199 |
| Countries that Start with J | 0 | - | 4.98 | 602,349 |
| Countries that Start with K | 0 | - | 4.97 | 815,701 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,615 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,588 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,001 |
| Countries that Start with S | 0 | - | 4.98 | 1,754,639 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,750 |
| Countries that Start with U | 0 | - | 4.97 | 904,430 |
| Countries that Start with V | 0 | - | 4.98 | 609,307 |
| Countries that Start with F | 0 | - | 4.83 | 617,533 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,541 |
| The Only African Country ... | 0 | - | 4.99 | 129,096 |
| The Only American Country ... | 0 | - | 4.92 | 121,595 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,120 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,774 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,848 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,511 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,994 |
| European Countries with One Border | 0 | - | 4.97 | 182,767 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,567 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,197 |
| Boundary Waters | 0 | - | 4.92 | 88,460 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,159 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,076 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,431 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,458 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,404 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,902 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,523 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,328 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,776 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,311 |
| UK Immigration by Country | 0 | - | 4.94 | 140,890 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,252 |
