| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,775 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,584 |
| Countries with Megacities | 0 | - | 4.99 | 247,487 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,429 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,176 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,841 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,101 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,137 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,906 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,995 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,245 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,007 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,786 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,758 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,309 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,372 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,163 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,196 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,461 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,056 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,488 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,675 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,599 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,404 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,354 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,698 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,635 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,891 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,311 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,211 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,224 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,741 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,792 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,883 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,191 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,234 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,393 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,645 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,369 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,484 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,336 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,559 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,125 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,132 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,967 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,055 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,637 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,865 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,504 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,887 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,991 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,675 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,717 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,181 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,005 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,171 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 113,356 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,189 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,745 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,801 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,176 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,991 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,313 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,598 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,597 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,689 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,125 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,232 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,804 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,772 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,203 |
| Olympic Host Countries | 0 | - | 4.98 | 199,013 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,895 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,723 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,145 |
| The Only European Country ... | 0 | - | 4.91 | 214,113 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,328 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,735 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,257 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 90,872 |
| Top Rice-Producing Countries | 0 | - | 4.95 | 98,454 |
| Top Chocolate Growing Countries | 0 | - | 4.93 | 61,332 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,966 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,784 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,064 |
| Countries of Africa | 0 | - | 5.00 | 2,510,605 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,679 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,110 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 70,863 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,678 |
| Biggest Cities by Language | 0 | - | 4.96 | 231,973 |
| Largest City by Island | 0 | - | 4.87 | 71,111 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,431 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,636 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,256 |
| Megacities on a World Map | 0 | - | 4.98 | 251,227 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,708 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,856 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,940 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,921 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,270 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,683 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,566 |
| Countries of the Middle East | 0 | - | 4.96 | 199,133 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,364 |
| Slavic Countries | 0 | - | 4.96 | 110,936 |
| African Island Countries | 0 | - | 4.96 | 100,867 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,539 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,679 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,146 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,940 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,864 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,598 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,261 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,888 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,300 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,467 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,754 |
| Ten Highest HDI Countries in Africa | 0 | - | 4.69 | 67,741 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.45 | 54,668 |
| Ten Lowest HDI Countries in Europe | 0 | - | 4.42 | 70,082 |
| Boundary Waters | 0 | - | 4.92 | 88,077 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,844 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,374 |
| Most Populous Islands | 0 | - | 4.79 | 122,041 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,212 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,415 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,204 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,137 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,560 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,602 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,359 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,611 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,358 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,398 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,273 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,456 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,413 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,421 |
| Monarchies of Europe | 0 | - | 4.90 | 97,401 |
| Monarchies of Asia | 0 | - | 4.97 | 70,650 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,861 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,469 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,989 |
| Countries that Start with A | 0 | - | 4.97 | 2,148,306 |
| Countries that Start with B | 0 | - | 4.95 | 2,281,126 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,354 |
| Countries that Start with D | 0 | - | 4.96 | 702,269 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,350 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,724 |
| Countries that Start with H | 0 | - | 4.96 | 598,545 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,982 |
| Countries that Start with J | 0 | - | 4.98 | 596,598 |
| Countries that Start with K | 0 | - | 4.97 | 809,930 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,540 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,437 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,202 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,478 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,709 |
| Countries that Start with U | 0 | - | 4.97 | 900,322 |
| Countries that Start with V | 0 | - | 4.98 | 605,482 |
| Countries that Start with F | 0 | - | 4.83 | 612,683 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,094 |
| The Only African Country ... | 0 | - | 4.98 | 128,419 |
| The Only American Country ... | 0 | - | 4.92 | 120,841 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,809 |
| 10 Southernmost Countries in Europe | 0 | - | 4.02 | 70,158 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,286 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,096 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,508 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,150 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,088 |
| European Countries with One Border | 0 | - | 4.97 | 181,734 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,636 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,191 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,970,227 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,980 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,921 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,742 |
| Biggest City by Region | 0 | - | 4.50 | 36,010 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,921 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,565 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,146 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,647 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,699 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,036 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,238 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,947 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,903 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,267 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,842 |
| Landlocked Countries | 0 | - | 4.99 | 414,243 |
| UK Immigration by Country | 0 | - | 4.94 | 139,784 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,580 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,356 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,694 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,887 |
| Central American Countries | 0 | - | 4.98 | 155,162 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,733 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,064 |
