| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,732 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,877 |
| Countries with Megacities | 0 | - | 4.99 | 248,117 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,759 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,337 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,143 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,282 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,753 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,328 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,146 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,532 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,145 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,942 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,082 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,736 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,565 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,323 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,260 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,649 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,186 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,609 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,780 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,758 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,526 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,426 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,791 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,693 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,947 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,403 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,347 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,384 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,936 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,950 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,009 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,280 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,364 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,527 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,750 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,506 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,586 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,447 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,685 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,396 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,333 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,187 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,167 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,666 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,929 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,624 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,944 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,064 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,776 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,900 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,510 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,078 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,227 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,784 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,289 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,978 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,132 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,748 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,224 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,095 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,834 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,764 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,882 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,277 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,372 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,901 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,929 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,533 |
| Olympic Host Countries | 0 | - | 4.98 | 199,199 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,044 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,987 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,837 |
| The Only European Country ... | 0 | - | 4.91 | 214,580 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,644 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,985 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,380 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 90,931 |
| Top Rice-Producing Countries | 0 | - | 4.95 | 98,505 |
| Top Chocolate Growing Countries | 0 | - | 4.93 | 61,411 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,675 |
| Biggest Cities in the United States | 0 | - | 4.93 | 969,542 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,383 |
| Countries of Africa | 0 | - | 5.00 | 2,514,980 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,701 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,131 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 70,915 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,081 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,196 |
| Largest City by Island | 0 | - | 4.87 | 71,252 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,518 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,797 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,712 |
| Megacities on a World Map | 0 | - | 4.98 | 251,732 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,516 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,945 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,153 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,226 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,450 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,832 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,934 |
| Countries of the Middle East | 0 | - | 4.96 | 199,431 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,519 |
| Slavic Countries | 0 | - | 4.96 | 111,061 |
| African Island Countries | 0 | - | 4.96 | 100,990 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,601 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,979 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,338 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,910 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,030 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,736 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,462 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,010 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,375 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,629 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,791 |
| Ten Highest HDI Countries in Africa | 0 | - | 4.69 | 67,758 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.45 | 54,697 |
| Ten Lowest HDI Countries in Europe | 0 | - | 4.42 | 70,099 |
| Boundary Waters | 0 | - | 4.92 | 88,125 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,897 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,490 |
| Most Populous Islands | 0 | - | 4.79 | 122,092 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,226 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,435 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,300 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,253 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,882 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,656 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,897 |
| Megacities on an Empty Map | 0 | - | 4.97 | 114,218 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,477 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,569 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,364 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,576 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,495 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,586 |
| Monarchies of Europe | 0 | - | 4.90 | 97,533 |
| Monarchies of Asia | 0 | - | 4.97 | 70,721 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,904 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,537 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,246 |
| Countries that Start with A | 0 | - | 4.98 | 2,150,679 |
| Countries that Start with B | 0 | - | 4.95 | 2,283,282 |
| Countries that Start with C | 0 | - | 4.96 | 1,813,059 |
| Countries that Start with D | 0 | - | 4.96 | 703,451 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,764 |
| Countries that Start with G | 0 | - | 4.97 | 1,495,228 |
| Countries that Start with H | 0 | - | 4.96 | 599,516 |
| Countries that Start with I | 0 | - | 4.92 | 1,282,124 |
| Countries that Start with J | 0 | - | 4.98 | 597,562 |
| Countries that Start with K | 0 | - | 4.97 | 810,803 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,667 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,593 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,253 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,989 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,520 |
| Countries that Start with U | 0 | - | 4.97 | 900,980 |
| Countries that Start with V | 0 | - | 4.98 | 606,060 |
| Countries that Start with F | 0 | - | 4.83 | 613,496 |
| Countries that Start with M | 0 | - | 4.97 | 1,375,316 |
| The Only African Country ... | 0 | - | 4.99 | 128,542 |
| The Only American Country ... | 0 | - | 4.92 | 120,993 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,853 |
| 10 Southernmost Countries in Europe | 0 | - | 4.02 | 70,199 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,350 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,203 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,665 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,298 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,299 |
| European Countries with One Border | 0 | - | 4.97 | 181,887 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,793 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,560 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,048,772 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,088 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,950 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,788 |
| Biggest City by Region | 0 | - | 4.50 | 36,038 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,962 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,632 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,214 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,932 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,921 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,066 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,259 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,005 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,145 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,292 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,869 |
| Landlocked Countries | 0 | - | 4.99 | 415,272 |
| UK Immigration by Country | 0 | - | 4.94 | 139,933 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,616 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,439 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,773 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,960 |
| Central American Countries | 0 | - | 4.98 | 155,320 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,846 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,234 |
