| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,886 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,184 |
| Countries with Megacities | 0 | - | 4.99 | 246,857 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,093 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,954 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,509 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,841 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,998 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,621 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,837 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,921 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,879 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,478 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,600 |
| Countries of Africa | 0 | - | 5.00 | 2,507,826 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,609 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,067 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,224 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,977 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,139 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,333 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,922 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,402 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,589 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,468 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,293 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,269 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,608 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,568 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,809 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,215 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,113 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,096 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,635 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,956 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,998 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,851 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,986 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,608 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,829 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,396 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,844 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,932 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,592 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,561 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,344 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,950 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,129 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,454 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,113 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,645 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,672 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,919 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,854 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,032 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,487 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,516 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,581 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,054 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,160 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,745 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,682 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,985 |
| Olympic Host Countries | 0 | - | 4.98 | 198,896 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,813 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,557 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,531 |
| The Only European Country ... | 0 | - | 4.91 | 213,834 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,142 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,532 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,208 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,608 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,624 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,778 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,653 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,087 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,460 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,850 |
| Largest City by Island | 0 | - | 4.87 | 71,042 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,393 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,548 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,457 |
| Megacities on a World Map | 0 | - | 4.98 | 250,944 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,235 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,797 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,865 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,750 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,146 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,759 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,324 |
| Countries of the Middle East | 0 | - | 4.96 | 198,912 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,262 |
| Slavic Countries | 0 | - | 4.96 | 110,857 |
| African Island Countries | 0 | - | 4.96 | 100,790 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,498 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,013 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,706 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,488 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,109 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,792 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,626 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,715 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,760 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,154 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,162 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,290 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,574 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,275 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,411 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,244 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,505 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,725 |
| Boundary Waters | 0 | - | 4.92 | 88,041 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,814 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,281 |
| Most Populous Islands | 0 | - | 4.79 | 121,989 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,201 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,404 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,140 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,036 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,320 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,563 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,026 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,506 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,295 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,287 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,197 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,360 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,341 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,365 |
| Monarchies of Europe | 0 | - | 4.90 | 97,311 |
| Monarchies of Asia | 0 | - | 4.97 | 70,601 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,825 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,432 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,771 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,710 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,789 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,243 |
| Countries that Start with D | 0 | - | 4.96 | 701,490 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,465 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,720 |
| Countries that Start with H | 0 | - | 4.96 | 597,916 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,226 |
| Countries that Start with J | 0 | - | 4.98 | 595,985 |
| Countries that Start with K | 0 | - | 4.97 | 809,360 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,832 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,691 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,509 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,462 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,177 |
| Countries that Start with U | 0 | - | 4.97 | 899,895 |
| Countries that Start with V | 0 | - | 4.98 | 605,071 |
| Countries that Start with F | 0 | - | 4.83 | 612,155 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,273 |
| The Only African Country ... | 0 | - | 4.99 | 128,365 |
| The Only American Country ... | 0 | - | 4.92 | 120,759 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,777 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,249 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,042 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,394 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,042 |
| European Countries with One Border | 0 | - | 4.97 | 181,626 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,521 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,108 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,916,533 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,912 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,905 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,703 |
| Biggest City by Region | 0 | - | 4.50 | 35,994 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,900 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,534 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,116 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,470 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,586 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,018 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,221 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,920 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,794 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,257 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,817 |
| Landlocked Countries | 0 | - | 4.99 | 413,568 |
| UK Immigration by Country | 0 | - | 4.94 | 139,637 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,567 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,280 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,650 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,810 |
| Central American Countries | 0 | - | 4.98 | 155,052 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,662 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,859 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,014 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,264 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,862 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,045 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,910 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,969 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,259 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,363 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,248 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,087 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,797 |
