| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,445 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,456 |
| Countries with Megacities | 0 | - | 4.99 | 247,281 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,290 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,099 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,722 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,022 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,608 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,787 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,881 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,036 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,944 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,520 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,663 |
| Countries of Africa | 0 | - | 5.00 | 2,509,319 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,691 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,204 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,309 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,085 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,175 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,406 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,011 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,458 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,645 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,541 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,354 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,329 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,667 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,609 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,860 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,269 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,176 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,180 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,323 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,042 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,069 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,906 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,026 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,627 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,847 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,453 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,869 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,965 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,641 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,643 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,811 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,985 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,151 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 111,125 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,146 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,697 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,748 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,056 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,922 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,161 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,538 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,559 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,639 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,083 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,205 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,776 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,727 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,106 |
| Olympic Host Countries | 0 | - | 4.98 | 198,953 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,860 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,664 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,854 |
| The Only European Country ... | 0 | - | 4.91 | 213,980 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,240 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,644 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,236 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,805 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,219 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,945 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,670 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,098 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,569 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,900 |
| Largest City by Island | 0 | - | 4.87 | 71,077 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,415 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,593 |
| Biggest European Cities by Century | 0 | - | 4.98 | 144,017 |
| Megacities on a World Map | 0 | - | 4.98 | 251,096 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,488 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,823 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,903 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,856 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,209 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,339 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,458 |
| Countries of the Middle East | 0 | - | 4.96 | 199,041 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,311 |
| Slavic Countries | 0 | - | 4.96 | 110,900 |
| African Island Countries | 0 | - | 4.96 | 100,833 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,514 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,569 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,086 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,793 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,547 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,202 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,842 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,685 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,745 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,833 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,168 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,197 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,339 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,620 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,324 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,458 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,294 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,526 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,738 |
| Boundary Waters | 0 | - | 4.92 | 88,064 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,830 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,325 |
| Most Populous Islands | 0 | - | 4.79 | 122,012 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,207 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,409 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,179 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,086 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,439 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,582 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,201 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,560 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,320 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,335 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,245 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,411 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,381 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,392 |
| Monarchies of Europe | 0 | - | 4.90 | 97,364 |
| Monarchies of Asia | 0 | - | 4.97 | 70,621 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,849 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,447 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,873 |
| Countries that Start with A | 0 | - | 4.97 | 2,147,552 |
| Countries that Start with B | 0 | - | 4.95 | 2,280,478 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,849 |
| Countries that Start with D | 0 | - | 4.96 | 701,912 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,940 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,295 |
| Countries that Start with H | 0 | - | 4.96 | 598,262 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,612 |
| Countries that Start with J | 0 | - | 4.98 | 596,316 |
| Countries that Start with K | 0 | - | 4.97 | 809,663 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,218 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,102 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,871 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,985 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,472 |
| Countries that Start with U | 0 | - | 4.97 | 900,115 |
| Countries that Start with V | 0 | - | 4.98 | 605,276 |
| Countries that Start with F | 0 | - | 4.83 | 612,433 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,721 |
| The Only African Country ... | 0 | - | 4.99 | 128,394 |
| The Only American Country ... | 0 | - | 4.92 | 120,800 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,789 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,272 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,073 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,450 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,094 |
| European Countries with One Border | 0 | - | 4.97 | 181,685 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,586 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,142 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,944,321 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,954 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,915 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,724 |
| Biggest City by Region | 0 | - | 4.50 | 36,005 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,912 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,552 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,136 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,560 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,649 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,025 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,229 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,935 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,853 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,263 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,827 |
| Landlocked Countries | 0 | - | 4.99 | 413,873 |
| UK Immigration by Country | 0 | - | 4.94 | 139,726 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,576 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,314 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,668 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,846 |
| Central American Countries | 0 | - | 4.98 | 155,117 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,689 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,991 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,028 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,320 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,900 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,058 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,074 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,006 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,318 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,400 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,284 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,125 |
