| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,901 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,535 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,206 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,519 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,863 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,777 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,253 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,513 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,420 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,192 |
| Countries with Megacities | 0 | - | 4.99 | 267,176 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,876 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,152 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,189 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,258 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,293 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,538 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,335 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,062 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,678 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,910 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,221 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,626 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,138 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,917 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,367 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,689 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,764 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,900 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,202 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,428 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,150 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,830 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,464 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,676 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,942 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,004 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,017 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,485 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,087 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,736 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,884 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,859 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,995 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,811 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,998 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,255 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,982 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,499 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,325 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,798 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,925 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,559 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,687 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,769 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,137 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,038 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,722 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,455 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,948 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,974 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,795 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,435 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,483 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,040 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,800 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,262 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,673 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,973 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,626 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,733 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,221 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,407 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,428 |
| Biggest Cities in the United States | 0 | - | 4.94 | 987,219 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,077 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,828 |
| Olympic Host Countries | 0 | - | 4.98 | 201,980 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,870 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,152 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,020 |
| The Only European Country ... | 0 | - | 4.91 | 219,054 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,972 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,538 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,924 |
| Countries of Africa | 0 | - | 5.00 | 2,560,272 |
| Biggest Cities in History | 0 | - | 4.52 | 90,610 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,028 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,703 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,359 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,267 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,776 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,972 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,533 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,473 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,855 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,032 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,387 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,615 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,683 |
| Largest City by Island | 0 | - | 4.87 | 72,457 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,706 |
| Megacities on a World Map | 0 | - | 4.98 | 256,980 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,057 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,774 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,690 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,470 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,692 |
| Former Capitals | 0 | - | 4.88 | 71,683 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,742 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,823 |
| Countries of the Middle East | 0 | - | 4.96 | 202,970 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,192 |
| Slavic Countries | 0 | - | 4.96 | 112,378 |
| African Island Countries | 0 | - | 4.96 | 102,453 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,179 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,421 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 53,182 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,671 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,832 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,328 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,622 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,183 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,386 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,519 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,532 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,965 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,801 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,068 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,733 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,277 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,925 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,163 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,140 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,346 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,336 |
| Most Populous Islands | 0 | - | 4.80 | 123,339 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,384 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,650 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,574 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,170 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,429 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,781 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,232 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,521 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,685 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,926 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 111,735 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,478 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,516 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,368 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,114 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,678 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,522 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,113 |
| Monarchies of Europe | 0 | - | 4.90 | 98,883 |
| Monarchies of Asia | 0 | - | 4.97 | 71,510 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,712 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,292 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,536 |
| Countries that Start with A | 0 | - | 4.98 | 2,175,908 |
| Countries that Start with B | 0 | - | 4.95 | 2,306,634 |
| Countries that Start with C | 0 | - | 4.96 | 1,831,587 |
| Countries that Start with D | 0 | - | 4.96 | 716,508 |
| Countries that Start with E | 0 | - | 4.95 | 1,385,194 |
| Countries that Start with G | 0 | - | 4.97 | 1,511,639 |
| Countries that Start with H | 0 | - | 4.96 | 609,654 |
| Countries that Start with I | 0 | - | 4.92 | 1,294,658 |
| Countries that Start with J | 0 | - | 4.98 | 607,042 |
| Countries that Start with K | 0 | - | 4.97 | 820,832 |
| Countries that Start with L | 0 | - | 4.98 | 1,096,908 |
| Countries that Start with N | 0 | - | 4.93 | 1,123,961 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,105 |
| Countries that Start with S | 0 | - | 4.98 | 1,763,256 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,986 |
| Countries that Start with U | 0 | - | 4.97 | 908,527 |
| Countries that Start with V | 0 | - | 4.98 | 612,040 |
| Countries that Start with F | 0 | - | 4.83 | 621,343 |
| Countries that Start with M | 0 | - | 4.97 | 1,388,356 |
| The Only African Country ... | 0 | - | 4.99 | 129,668 |
| The Only American Country ... | 0 | - | 4.92 | 122,223 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,381 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,298 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,809 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,522 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,863 |
| European Countries with One Border | 0 | - | 4.97 | 183,813 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,553 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,836 |
| Boundary Waters | 0 | - | 4.92 | 88,770 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,420 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,713 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,359 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,976 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,982 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,320 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,985 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,809 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,739 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,495 |
