| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,105 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,290 |
| Countries with Megacities | 0 | - | 4.99 | 247,015 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,167 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,007 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,593 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,911 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,236 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,685 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,852 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,953 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,900 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,622 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,642 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,130 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,258 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,024 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,159 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,356 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,960 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,420 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,609 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,495 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,313 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,294 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,624 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,582 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,823 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,230 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,137 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,133 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,644 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,727 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,790 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,161 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,178 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,302 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,591 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,294 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,435 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,268 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,512 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,994 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,025 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,876 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,010 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,620 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,417 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,851 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,943 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,612 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,583 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,533 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,962 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,139 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 103,983 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,125 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,667 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,711 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,974 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,882 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,087 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,503 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,540 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,598 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,065 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,179 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,760 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,698 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,036 |
| Olympic Host Countries | 0 | - | 4.98 | 198,911 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,832 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,595 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,676 |
| The Only European Country ... | 0 | - | 4.91 | 213,897 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,178 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,575 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,217 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 90,840 |
| Top Rice-Producing Countries | 0 | - | 4.95 | 98,422 |
| Top Chocolate Growing Countries | 0 | - | 4.93 | 61,291 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,676 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,824 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,821 |
| Countries of Africa | 0 | - | 5.00 | 2,508,347 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,659 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,092 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 70,840 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,508 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,865 |
| Largest City by Island | 0 | - | 4.87 | 71,059 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,397 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,561 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,724 |
| Megacities on a World Map | 0 | - | 4.98 | 251,011 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,334 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,807 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,880 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,795 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,167 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,972 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,382 |
| Countries of the Middle East | 0 | - | 4.96 | 198,956 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,282 |
| Slavic Countries | 0 | - | 4.96 | 110,874 |
| African Island Countries | 0 | - | 4.96 | 100,803 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,502 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,486 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,039 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,875 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,737 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,505 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,143 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,813 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,260 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,414 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,729 |
| Ten Highest HDI Countries in Africa | 0 | - | 4.69 | 67,737 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.45 | 54,652 |
| Ten Lowest HDI Countries in Europe | 0 | - | 4.42 | 70,073 |
| Boundary Waters | 0 | - | 4.92 | 88,051 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,822 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,297 |
| Most Populous Islands | 0 | - | 4.79 | 121,999 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,203 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,408 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,154 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,053 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,368 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,575 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,093 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,521 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,304 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,305 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,220 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,379 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,356 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,379 |
| Monarchies of Europe | 0 | - | 4.90 | 97,337 |
| Monarchies of Asia | 0 | - | 4.97 | 70,612 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,835 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,436 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,809 |
| Countries that Start with A | 0 | - | 4.97 | 2,147,049 |
| Countries that Start with B | 0 | - | 4.95 | 2,280,051 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,477 |
| Countries that Start with D | 0 | - | 4.96 | 701,656 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,636 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,930 |
| Countries that Start with H | 0 | - | 4.96 | 598,051 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,372 |
| Countries that Start with J | 0 | - | 4.98 | 596,101 |
| Countries that Start with K | 0 | - | 4.97 | 809,480 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,971 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,843 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,650 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,645 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,295 |
| Countries that Start with U | 0 | - | 4.97 | 899,978 |
| Countries that Start with V | 0 | - | 4.98 | 605,149 |
| Countries that Start with F | 0 | - | 4.83 | 612,250 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,478 |
| The Only African Country ... | 0 | - | 4.99 | 128,379 |
| The Only American Country ... | 0 | - | 4.92 | 120,774 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,783 |
| 10 Southernmost Countries in Europe | 0 | - | 4.02 | 70,129 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,259 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,053 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,417 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,069 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,038 |
| European Countries with One Border | 0 | - | 4.97 | 181,652 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,550 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,121 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,926,872 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,923 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,908 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,711 |
| Biggest City by Region | 0 | - | 4.50 | 35,999 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,904 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,542 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,124 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,503 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,610 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,021 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,222 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,925 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,810 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,260 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,822 |
| Landlocked Countries | 0 | - | 4.99 | 413,702 |
| UK Immigration by Country | 0 | - | 4.94 | 139,671 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,571 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,290 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,654 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,822 |
| Central American Countries | 0 | - | 4.98 | 155,076 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,670 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,914 |
