| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,391 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,438 |
| Countries with Megacities | 0 | - | 4.99 | 247,251 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,283 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,089 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,708 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,010 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,564 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,778 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,879 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,020 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,939 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,520 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,656 |
| Countries of Africa | 0 | - | 5.00 | 2,509,183 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,687 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,195 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,302 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,077 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,174 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,403 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,007 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,457 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,642 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,537 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,348 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,327 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,662 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,605 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,856 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,263 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,173 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,176 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,288 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,036 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,064 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,897 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,025 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,627 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,843 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,452 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,867 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,964 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,640 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,641 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,774 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,984 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,148 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 110,367 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,144 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,692 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,740 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,044 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,918 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,153 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,535 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,558 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,633 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,080 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,200 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,774 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,718 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,096 |
| Olympic Host Countries | 0 | - | 4.98 | 198,947 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,856 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,658 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,834 |
| The Only European Country ... | 0 | - | 4.91 | 213,972 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,236 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,632 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,233 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,789 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,169 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,929 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,668 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,098 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,561 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,893 |
| Largest City by Island | 0 | - | 4.87 | 71,073 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,413 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,588 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,982 |
| Megacities on a World Map | 0 | - | 4.98 | 251,088 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,465 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,821 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,901 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,846 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,198 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,304 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,445 |
| Countries of the Middle East | 0 | - | 4.96 | 199,032 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,308 |
| Slavic Countries | 0 | - | 4.96 | 110,896 |
| African Island Countries | 0 | - | 4.96 | 100,832 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,514 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,559 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,081 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,786 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,538 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,194 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,837 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,683 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,742 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,824 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,167 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,196 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,334 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,620 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,320 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,454 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,292 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,524 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,737 |
| Boundary Waters | 0 | - | 4.92 | 88,062 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,828 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,322 |
| Most Populous Islands | 0 | - | 4.79 | 122,010 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,206 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,409 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,173 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,082 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,432 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,581 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,190 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,557 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,316 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,332 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,239 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,409 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,376 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,391 |
| Monarchies of Europe | 0 | - | 4.90 | 97,361 |
| Monarchies of Asia | 0 | - | 4.97 | 70,617 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,848 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,445 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,870 |
| Countries that Start with A | 0 | - | 4.97 | 2,147,478 |
| Countries that Start with B | 0 | - | 4.95 | 2,280,424 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,800 |
| Countries that Start with D | 0 | - | 4.96 | 701,876 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,910 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,246 |
| Countries that Start with H | 0 | - | 4.96 | 598,235 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,583 |
| Countries that Start with J | 0 | - | 4.98 | 596,289 |
| Countries that Start with K | 0 | - | 4.97 | 809,633 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,193 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,073 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,837 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,929 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,438 |
| Countries that Start with U | 0 | - | 4.97 | 900,091 |
| Countries that Start with V | 0 | - | 4.98 | 605,258 |
| Countries that Start with F | 0 | - | 4.83 | 612,412 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,690 |
| The Only African Country ... | 0 | - | 4.99 | 128,393 |
| The Only American Country ... | 0 | - | 4.92 | 120,796 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,789 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,269 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,069 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,446 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,091 |
| European Countries with One Border | 0 | - | 4.97 | 181,680 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,584 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,140 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,941,971 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,950 |
| 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 | 56,910 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,551 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,135 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,552 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,646 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,024 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,228 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,933 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,843 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,263 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,826 |
| Landlocked Countries | 0 | - | 4.99 | 413,856 |
| UK Immigration by Country | 0 | - | 4.94 | 139,721 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,575 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,310 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,667 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,844 |
| Central American Countries | 0 | - | 4.98 | 155,104 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,685 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,988 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,026 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,318 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,894 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,058 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,062 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,001 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,313 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,397 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,281 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,122 |
