| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,002 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,855 |
| Countries with Megacities | 0 | - | 4.99 | 246,168 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,776 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,732 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,239 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,665 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,450 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,031 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,720 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,686 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,745 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,396 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,484 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,458 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,681 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,033 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,838 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,085 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,155 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,747 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,282 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,465 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,291 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,142 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,179 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,499 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,478 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,712 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,089 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 163,986 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,954 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,701 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,800 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,680 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,895 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,585 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,761 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,255 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,797 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,853 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,457 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,370 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,170 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,868 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,074 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,368 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,029 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,445 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,399 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,482 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,645 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,575 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,316 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,379 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,399 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,936 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,052 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,629 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,548 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,715 |
| Olympic Host Countries | 0 | - | 4.98 | 198,745 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,709 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,326 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 302,710 |
| The Only European Country ... | 0 | - | 4.91 | 213,471 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,819 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,309 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,153 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,207 |
| Biggest Cities in the United States | 0 | - | 4.93 | 964,964 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,459 |
| Countries of Africa | 0 | - | 5.00 | 2,504,168 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,628 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,068 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,195 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,672 |
| Largest City by Island | 0 | - | 4.87 | 70,938 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,212 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,393 |
| Biggest European Cities by Century | 0 | - | 4.98 | 131,627 |
| Megacities on a World Map | 0 | - | 4.98 | 250,208 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,551 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,709 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,741 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,462 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 166,982 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,539 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,019 |
| Countries of the Middle East | 0 | - | 4.96 | 198,694 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,132 |
| Slavic Countries | 0 | - | 4.96 | 110,766 |
| African Island Countries | 0 | - | 4.96 | 100,648 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,453 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,796 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,367 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,581 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,355 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,907 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,648 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,471 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,575 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,672 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,106 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,066 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,187 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,458 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,145 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,317 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,127 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,415 |
| Most Populous Countries in 1950 | 0 | - | 4.62 | 85,348 |
| Boundary Waters | 0 | - | 4.92 | 87,990 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,173 |
| Most Populous Islands | 0 | - | 4.78 | 121,905 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,190 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,390 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,046 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,705 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,074 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,506 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,586 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,324 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,209 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,144 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,096 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,245 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,250 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,287 |
| Monarchies of Europe | 0 | - | 4.90 | 97,202 |
| Monarchies of Asia | 0 | - | 4.97 | 70,536 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,773 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,377 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,529 |
| Countries that Start with A | 0 | - | 4.98 | 2,144,571 |
| Countries that Start with B | 0 | - | 4.95 | 2,277,956 |
| Countries that Start with C | 0 | - | 4.96 | 1,808,714 |
| Countries that Start with D | 0 | - | 4.96 | 700,475 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,248 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,413 |
| Countries that Start with H | 0 | - | 4.96 | 597,032 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,161 |
| Countries that Start with J | 0 | - | 4.98 | 595,101 |
| Countries that Start with K | 0 | - | 4.96 | 808,589 |
| Countries that Start with L | 0 | - | 4.98 | 1,081,894 |
| Countries that Start with N | 0 | - | 4.93 | 1,108,749 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,591 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,155 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,410 |
| Countries that Start with U | 0 | - | 4.97 | 899,049 |
| Countries that Start with V | 0 | - | 4.98 | 604,503 |
| Countries that Start with F | 0 | - | 4.83 | 611,449 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,211 |
| The Only African Country ... | 0 | - | 4.99 | 128,256 |
| The Only American Country ... | 0 | - | 4.92 | 120,654 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,732 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,197 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,955 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,203 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,916 |
| European Countries with One Border | 0 | - | 4.97 | 181,446 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,966 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,005 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,850,270 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,830 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,880 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,644 |
| Biggest City by Region | 0 | - | 4.50 | 35,964 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,863 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,477 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,035 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,263 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,448 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,995 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,201 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,884 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,650 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,231 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,784 |
| Landlocked Countries | 0 | - | 4.99 | 412,864 |
| UK Immigration by Country | 0 | - | 4.94 | 139,485 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,529 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,209 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,577 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,718 |
| Central American Countries | 0 | - | 4.98 | 154,908 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,508 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,665 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 48,990 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,065 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,775 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,007 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,936 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,857 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,078 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,286 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,152 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 90,999 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,720 |
