| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,824 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,066 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,642 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,367 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,035 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,395 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,704 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,540 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,329 |
| Countries with Megacities | 0 | - | 4.99 | 265,553 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,125 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,691 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,388 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,763 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,473 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,511 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,729 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,024 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,070 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,510 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,359 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,684 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,904 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,355 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,194 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,079 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,778 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,947 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,348 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,480 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,623 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,052 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,275 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,926 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,458 |
| Former Capitals | 0 | - | 4.88 | 71,580 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,931 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,371 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,565 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,628 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,656 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,785 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,581 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,215 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,585 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,693 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,702 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,628 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,917 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,374 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,679 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,469 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,986 |
| Biggest Cities in the World | 0 | - | 4.92 | 802,760 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,655 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,954 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,905 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,521 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,211 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,553 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,456 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,498 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,051 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,214 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,428 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,978 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,483 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,608 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,378 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,453 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 64,978 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,102 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,598 |
| Biggest Cities in the United States | 0 | - | 4.94 | 983,245 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,238 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,175 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,057 |
| Olympic Host Countries | 0 | - | 4.98 | 201,440 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,487 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,476 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 311,871 |
| The Only European Country ... | 0 | - | 4.91 | 218,006 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,197 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,985 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,801 |
| Countries of Africa | 0 | - | 5.00 | 2,550,158 |
| Biggest Cities in History | 0 | - | 4.52 | 90,400 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,593 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,598 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 237,918 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,155 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,296 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,672 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,282 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,827 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,673 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,948 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,330 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,278 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,268 |
| Largest City by Island | 0 | - | 4.87 | 72,203 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,395 |
| Megacities on a World Map | 0 | - | 4.98 | 255,914 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,422 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,611 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,372 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,580 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,960 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,512 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,942 |
| Countries of the Middle East | 0 | - | 4.96 | 202,072 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,798 |
| Slavic Countries | 0 | - | 4.96 | 112,082 |
| African Island Countries | 0 | - | 4.96 | 102,133 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,027 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,147 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,196 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,674 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,448 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,001 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,173 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,850 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,913 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,182 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,254 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,816 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,569 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,747 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,214 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,963 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,618 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,870 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,875 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,118 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,954 |
| Most Populous Islands | 0 | - | 4.80 | 123,142 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,343 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,596 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,277 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,617 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,291 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,491 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,905 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,316 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,472 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,195 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,757 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,257 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,298 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,279 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,775 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,417 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,310 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 23,620 |
| Monarchies of Europe | 0 | - | 4.90 | 98,513 |
| Monarchies of Asia | 0 | - | 4.97 | 71,337 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,591 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,125 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,841 |
| Countries that Start with A | 0 | - | 4.98 | 2,169,944 |
| Countries that Start with B | 0 | - | 4.95 | 2,300,987 |
| Countries that Start with C | 0 | - | 4.96 | 1,827,350 |
| Countries that Start with D | 0 | - | 4.96 | 713,459 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,614 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,893 |
| Countries that Start with H | 0 | - | 4.96 | 607,452 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,843 |
| Countries that Start with J | 0 | - | 4.98 | 604,949 |
| Countries that Start with K | 0 | - | 4.97 | 818,588 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,125 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,170 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,513 |
| Countries that Start with S | 0 | - | 4.98 | 1,759,545 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,826 |
| Countries that Start with U | 0 | - | 4.97 | 906,550 |
| Countries that Start with V | 0 | - | 4.98 | 610,798 |
| Countries that Start with F | 0 | - | 4.83 | 619,658 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,430 |
| The Only African Country ... | 0 | - | 4.99 | 129,427 |
| The Only American Country ... | 0 | - | 4.92 | 121,958 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,286 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,135 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,224 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,103 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,488 |
| European Countries with One Border | 0 | - | 4.97 | 183,367 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,135 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,551 |
| Boundary Waters | 0 | - | 4.92 | 88,648 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,320 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,428 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,977 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,751 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,193 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,852 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,139 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,330 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,984 |
| UK Immigration by Country | 0 | - | 4.94 | 141,340 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,443 |
