| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,119 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,096 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,513 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,166 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,450 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,091 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,602 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,073 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,408 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,048 |
| Countries with Megacities | 0 | - | 4.99 | 260,448 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,915 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,010 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,191 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,016 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,410 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,769 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,564 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,450 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,692 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,280 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,381 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,937 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,224 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,510 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,242 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,731 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,985 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,179 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,829 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,798 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,269 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,771 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,833 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,796 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,923 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,685 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,917 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,485 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,542 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,056 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,657 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,357 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,060 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,322 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,914 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,044 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,771 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,142 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,984 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,335 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,763 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,004 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,846 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,427 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,533 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,570 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,158 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,743 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,513 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,969 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,223 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,933 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,928 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,418 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,231 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,552 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,509 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,692 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,799 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 61,229 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,395 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,893 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,867 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,579 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,600 |
| Olympic Host Countries | 0 | - | 4.98 | 200,414 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,645 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,884 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,170 |
| The Only European Country ... | 0 | - | 4.91 | 216,048 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,813 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,808 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,587 |
| Countries of Africa | 0 | - | 5.00 | 2,530,930 |
| Biggest Cities in History | 0 | - | 4.52 | 90,019 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 76,301 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,398 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,211 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,917 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,514 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,092 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,715 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,182 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,113 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,803 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,221 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,057 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,037 |
| Largest City by Island | 0 | - | 4.87 | 71,692 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,686 |
| Megacities on a World Map | 0 | - | 4.98 | 253,484 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,118 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,221 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,724 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,258 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,100 |
| Former Capitals | 0 | - | 4.88 | 71,384 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,572 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,225 |
| Countries of the Middle East | 0 | - | 4.96 | 200,792 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,039 |
| Slavic Countries | 0 | - | 4.96 | 111,511 |
| African Island Countries | 0 | - | 4.96 | 101,455 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,803 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,488 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,588 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,869 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,684 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,305 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,221 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,899 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,703 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,459 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,559 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,522 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,108 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,005 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,417 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,036 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,992 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,834 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,108 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,769 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,279 |
| Most Populous Islands | 0 | - | 4.80 | 122,802 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,279 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,509 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,719 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,669 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,904 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,843 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,128 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,820 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,617 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,308 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,543 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,756 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,795 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,116 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,085 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,959 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,950 |
| Monarchies of Europe | 0 | - | 4.90 | 97,980 |
| Monarchies of Asia | 0 | - | 4.97 | 70,993 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,276 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,785 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,361 |
| Countries that Start with A | 0 | - | 4.98 | 2,159,203 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,187 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,437 |
| Countries that Start with D | 0 | - | 4.96 | 707,783 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,013 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,698 |
| Countries that Start with H | 0 | - | 4.96 | 603,233 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,311 |
| Countries that Start with J | 0 | - | 4.98 | 601,073 |
| Countries that Start with K | 0 | - | 4.97 | 814,319 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,044 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,997 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,494 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,579 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,579 |
| Countries that Start with U | 0 | - | 4.97 | 903,447 |
| Countries that Start with V | 0 | - | 4.98 | 608,499 |
| Countries that Start with F | 0 | - | 4.83 | 616,402 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,798 |
| The Only African Country ... | 0 | - | 4.98 | 128,966 |
| The Only American Country ... | 0 | - | 4.92 | 121,420 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,068 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,672 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,697 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,284 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,803 |
| European Countries with One Border | 0 | - | 4.97 | 182,542 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,347 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,021 |
| Boundary Waters | 0 | - | 4.92 | 88,381 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,086 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,920 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,191 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,350 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,799 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,406 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,940 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,542 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,001 |
| UK Immigration by Country | 0 | - | 4.94 | 140,709 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,181 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,445 |
