| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,736 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,550 |
| Countries with Megacities | 0 | - | 4.99 | 249,531 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,400 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,710 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,735 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,676 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,209 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,186 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,377 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,095 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,468 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,157 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,203 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,431 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,644 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,101 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,672 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,393 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,997 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,521 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,833 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,005 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,166 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,941 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,950 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 91,430 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,047 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,324 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,925 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,621 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,717 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,030 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,981 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,669 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,463 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,722 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,082 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,896 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,060 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,225 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,433 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,528 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,037 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,235 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,356 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,374 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,514 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,288 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,595 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,606 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,624 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,161 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,162 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,044 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,238 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,526 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,613 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,112 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,202 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,181 |
| Olympic Host Countries | 0 | - | 4.98 | 199,849 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,402 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,516 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 306,871 |
| The Only European Country ... | 0 | - | 4.91 | 215,508 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,355 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,502 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,515 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,774 |
| Biggest Cities in the United States | 0 | - | 4.93 | 973,411 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,092 |
| Countries of Africa | 0 | - | 5.00 | 2,524,935 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,754 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,183 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,757 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,703 |
| Largest City by Island | 0 | - | 4.87 | 71,513 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,657 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,461 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,083 |
| Megacities on a World Map | 0 | - | 4.98 | 252,635 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,022 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,089 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,511 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,841 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,886 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,531 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,730 |
| Countries of the Middle East | 0 | - | 4.96 | 200,300 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,843 |
| Slavic Countries | 0 | - | 4.96 | 111,349 |
| African Island Countries | 0 | - | 4.96 | 101,270 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,729 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,519 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,036 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,615 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,460 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,105 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,906 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,447 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,399 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,263 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,347 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,451 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,633 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,813 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,010 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,814 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,827 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,672 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,926 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,879 |
| Boundary Waters | 0 | - | 4.92 | 88,306 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,025 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,740 |
| Most Populous Islands | 0 | - | 4.80 | 122,682 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,257 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,478 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,534 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,537 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,320 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,790 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,018 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,766 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,648 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,970 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,605 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,905 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,812 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,815 |
| Monarchies of Europe | 0 | - | 4.90 | 97,791 |
| Monarchies of Asia | 0 | - | 4.97 | 70,888 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,044 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,708 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,947 |
| Countries that Start with A | 0 | - | 4.98 | 2,155,884 |
| Countries that Start with B | 0 | - | 4.95 | 2,287,995 |
| Countries that Start with C | 0 | - | 4.96 | 1,816,852 |
| Countries that Start with D | 0 | - | 4.96 | 706,009 |
| Countries that Start with E | 0 | - | 4.95 | 1,372,926 |
| Countries that Start with G | 0 | - | 4.97 | 1,498,472 |
| Countries that Start with H | 0 | - | 4.96 | 601,682 |
| Countries that Start with I | 0 | - | 4.92 | 1,284,624 |
| Countries that Start with J | 0 | - | 4.98 | 599,647 |
| Countries that Start with K | 0 | - | 4.97 | 812,794 |
| Countries that Start with L | 0 | - | 4.98 | 1,087,274 |
| Countries that Start with N | 0 | - | 4.93 | 1,114,084 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,850 |
| Countries that Start with S | 0 | - | 4.98 | 1,750,298 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,370 |
| Countries that Start with U | 0 | - | 4.97 | 902,479 |
| Countries that Start with V | 0 | - | 4.98 | 607,622 |
| Countries that Start with F | 0 | - | 4.83 | 615,247 |
| Countries that Start with M | 0 | - | 4.97 | 1,377,971 |
| The Only African Country ... | 0 | - | 4.99 | 128,789 |
| The Only American Country ... | 0 | - | 4.92 | 121,266 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,975 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,542 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,540 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,090 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,622 |
| European Countries with One Border | 0 | - | 4.97 | 182,268 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,125 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,819 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,227,543 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,290 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,014 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,873 |
| Biggest City by Region | 0 | - | 4.50 | 36,086 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,021 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,732 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,334 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,427 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,277 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,126 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,303 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,119 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,560 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,332 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 41,974 |
| Landlocked Countries | 0 | - | 4.99 | 417,436 |
| UK Immigration by Country | 0 | - | 4.94 | 140,496 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,701 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,662 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,035 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,165 |
| Central American Countries | 0 | - | 4.98 | 155,677 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,163 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,553 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,165 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,816 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,272 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,211 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,667 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,743 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,285 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,870 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,346 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,561 |
