| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,747 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,880 |
| Countries with Megacities | 0 | - | 4.99 | 248,128 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,766 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,342 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,150 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,284 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,790 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,334 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,149 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,540 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,146 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,945 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,086 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,749 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,570 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,326 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,261 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,655 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,187 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,611 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,780 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,760 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,530 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,429 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,793 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,695 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,948 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,408 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,349 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,386 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,938 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,952 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,012 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,281 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,365 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,528 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,752 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,508 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,590 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,447 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,686 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,397 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,338 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,188 |
| 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 | 107,931 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,627 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,944 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,065 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,777 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,903 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,522 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,079 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,227 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,793 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,289 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,981 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,137 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,755 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,225 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,102 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,837 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,766 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,884 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,281 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,373 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,903 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,931 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,536 |
| Olympic Host Countries | 0 | - | 4.98 | 199,200 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,045 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,991 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,848 |
| The Only European Country ... | 0 | - | 4.91 | 214,586 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,653 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,994 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,382 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 90,932 |
| 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 | 414,684 |
| Biggest Cities in the United States | 0 | - | 4.93 | 969,562 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,386 |
| Countries of Africa | 0 | - | 5.00 | 2,515,027 |
| 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 | 127,088 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,222 |
| Largest City by Island | 0 | - | 4.87 | 71,254 |
| 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 | 144,716 |
| Megacities on a World Map | 0 | - | 4.98 | 251,741 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,524 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,949 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,161 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,228 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,451 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,842 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,938 |
| Countries of the Middle East | 0 | - | 4.96 | 199,438 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,519 |
| Slavic Countries | 0 | - | 4.96 | 111,062 |
| African Island Countries | 0 | - | 4.96 | 100,993 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,601 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,984 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,339 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,938 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,033 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,738 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,465 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,011 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,375 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,630 |
| 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 | 88,126 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,897 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,491 |
| Most Populous Islands | 0 | - | 4.79 | 122,094 |
| 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 | 167,254 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,888 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,658 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,904 |
| Megacities on an Empty Map | 0 | - | 4.97 | 114,297 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,479 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,572 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,365 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,577 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,497 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,586 |
| Monarchies of Europe | 0 | - | 4.90 | 97,534 |
| Monarchies of Asia | 0 | - | 4.97 | 70,722 |
| 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 | 134,249 |
| Countries that Start with A | 0 | - | 4.98 | 2,150,710 |
| Countries that Start with B | 0 | - | 4.95 | 2,283,314 |
| Countries that Start with C | 0 | - | 4.96 | 1,813,079 |
| Countries that Start with D | 0 | - | 4.96 | 703,463 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,786 |
| Countries that Start with G | 0 | - | 4.97 | 1,495,247 |
| Countries that Start with H | 0 | - | 4.96 | 599,532 |
| Countries that Start with I | 0 | - | 4.92 | 1,282,141 |
| Countries that Start with J | 0 | - | 4.98 | 597,577 |
| Countries that Start with K | 0 | - | 4.97 | 810,815 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,680 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,608 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,270 |
| Countries that Start with S | 0 | - | 4.98 | 1,747,011 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,530 |
| Countries that Start with U | 0 | - | 4.97 | 900,985 |
| Countries that Start with V | 0 | - | 4.98 | 606,065 |
| Countries that Start with F | 0 | - | 4.83 | 613,508 |
| Countries that Start with M | 0 | - | 4.97 | 1,375,332 |
| The Only African Country ... | 0 | - | 4.99 | 128,544 |
| The Only American Country ... | 0 | - | 4.92 | 120,999 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,854 |
| 10 Southernmost Countries in Europe | 0 | - | 4.02 | 70,199 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,352 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,204 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,669 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,301 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,299 |
| European Countries with One Border | 0 | - | 4.97 | 181,889 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,795 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,561 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,050,078 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,089 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,951 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,790 |
| 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 | 68,633 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,214 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,936 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,924 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,067 |
| 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 | 114,149 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,292 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,869 |
| Landlocked Countries | 0 | - | 4.99 | 415,286 |
| UK Immigration by Country | 0 | - | 4.94 | 139,934 |
| 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 | 94,775 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,960 |
| Central American Countries | 0 | - | 4.98 | 155,322 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,849 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,235 |
