| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,714 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,870 |
| Countries with Megacities | 0 | - | 4.99 | 248,110 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,750 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,331 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,134 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,277 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,719 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,322 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,141 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,525 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,139 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,937 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,079 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,726 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,564 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,321 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,260 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,642 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,184 |
| 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 | 221,751 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,525 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,426 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,789 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,691 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,945 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,400 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,345 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,383 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,931 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,947 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,004 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,278 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,358 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,526 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,747 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,503 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,586 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,445 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,680 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,390 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,328 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,181 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,165 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,666 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,927 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,624 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,942 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,062 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,775 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,896 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,478 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,077 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,226 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,774 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,287 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,977 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,124 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,736 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,221 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,077 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,830 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,760 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,877 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,277 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,369 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,898 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,922 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,523 |
| Olympic Host Countries | 0 | - | 4.98 | 199,194 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,035 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,984 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,824 |
| The Only European Country ... | 0 | - | 4.91 | 214,571 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,641 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,978 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,374 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 90,929 |
| Top Rice-Producing Countries | 0 | - | 4.95 | 98,504 |
| Top Chocolate Growing Countries | 0 | - | 4.93 | 61,410 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,660 |
| Biggest Cities in the United States | 0 | - | 4.93 | 969,502 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,376 |
| Countries of Africa | 0 | - | 5.00 | 2,514,851 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,701 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,130 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 70,914 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,074 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,138 |
| Largest City by Island | 0 | - | 4.87 | 71,248 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,516 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,796 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,707 |
| Megacities on a World Map | 0 | - | 4.98 | 251,722 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,501 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,942 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,149 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,216 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,448 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,804 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,926 |
| Countries of the Middle East | 0 | - | 4.96 | 199,427 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,518 |
| Slavic Countries | 0 | - | 4.96 | 111,060 |
| African Island Countries | 0 | - | 4.96 | 100,987 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,599 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,976 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,333 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,886 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,026 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,733 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,458 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,008 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,371 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,625 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,791 |
| Ten Highest HDI Countries in Africa | 0 | - | 4.69 | 67,757 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.45 | 54,696 |
| Ten Lowest HDI Countries in Europe | 0 | - | 4.42 | 70,097 |
| 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 | 94,225 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,435 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,299 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,253 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,874 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,655 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,891 |
| Megacities on an Empty Map | 0 | - | 4.97 | 114,096 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,475 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,568 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,363 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,574 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,495 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,583 |
| Monarchies of Europe | 0 | - | 4.90 | 97,529 |
| 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 | 80,535 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,245 |
| Countries that Start with A | 0 | - | 4.98 | 2,150,641 |
| Countries that Start with B | 0 | - | 4.95 | 2,283,236 |
| Countries that Start with C | 0 | - | 4.96 | 1,813,026 |
| Countries that Start with D | 0 | - | 4.96 | 703,424 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,734 |
| Countries that Start with G | 0 | - | 4.97 | 1,495,197 |
| Countries that Start with H | 0 | - | 4.96 | 599,494 |
| Countries that Start with I | 0 | - | 4.92 | 1,282,107 |
| Countries that Start with J | 0 | - | 4.98 | 597,541 |
| Countries that Start with K | 0 | - | 4.97 | 810,789 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,643 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,577 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,234 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,951 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,506 |
| Countries that Start with U | 0 | - | 4.97 | 900,968 |
| Countries that Start with V | 0 | - | 4.98 | 606,051 |
| Countries that Start with F | 0 | - | 4.83 | 613,485 |
| Countries that Start with M | 0 | - | 4.97 | 1,375,291 |
| The Only African Country ... | 0 | - | 4.99 | 128,536 |
| The Only American Country ... | 0 | - | 4.92 | 120,987 |
| 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 | 72,348 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,200 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,664 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,293 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,299 |
| European Countries with One Border | 0 | - | 4.97 | 181,881 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,788 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,557 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,046,963 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,084 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,947 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,787 |
| Biggest City by Region | 0 | - | 4.50 | 36,038 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,960 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,630 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,213 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,922 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,907 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,066 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,257 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,004 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,140 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,290 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,869 |
| Landlocked Countries | 0 | - | 4.99 | 415,254 |
| UK Immigration by Country | 0 | - | 4.94 | 139,930 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,616 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,437 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,771 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,959 |
| Central American Countries | 0 | - | 4.98 | 155,320 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,842 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,229 |