| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,001 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,639 |
| Countries with Megacities | 0 | - | 4.99 | 268,148 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,289 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,405 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,617 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,519 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,756 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,185 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,506 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,607 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,887 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,226 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,419 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,760 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,230 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,248 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,791 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,715 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 96,001 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,644 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,917 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,936 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,102 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,293 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,113 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,062 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,641 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,317 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,589 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,950 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,912 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,879 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,465 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,035 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,559 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,943 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,334 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,031 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,553 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,407 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,147 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,006 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,155 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,414 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,882 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,490 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,835 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,285 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,891 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,613 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,150 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,278 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 33,015 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,995 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,761 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,789 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 81,009 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,433 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,155 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,750 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,891 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,351 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,609 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,862 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,354 |
| Olympic Host Countries | 0 | - | 4.98 | 202,351 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,314 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,593 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,693 |
| The Only European Country ... | 0 | - | 4.91 | 219,745 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,471 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,916 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,011 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,072 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,427 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,370 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,778 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,650 |
| Countries of Africa | 0 | - | 5.00 | 2,566,219 |
| Boundary Waters | 0 | - | 4.92 | 88,870 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,485 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,896 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,633 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,101 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,836 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,926 |
| Largest City by Island | 0 | - | 4.87 | 72,605 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,526 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,933 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,294 |
| Megacities on a World Map | 0 | - | 4.98 | 257,638 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,876 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,883 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,892 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,917 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,414 |
| Countries of the Middle East | 0 | - | 4.96 | 203,366 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,430 |
| Slavic Countries | 0 | - | 4.96 | 112,554 |
| African Island Countries | 0 | - | 4.96 | 102,791 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,266 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,829 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,846 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,085 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,547 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 155,048 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,445 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,256 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,842 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,783 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,099 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,024 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,588 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,120 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,767 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,112 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,368 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,845 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,491 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,704 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,930 |
| Most Populous Islands | 0 | - | 4.80 | 123,474 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,410 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,689 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,613 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,838 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,291 |
| Lowest Fertility Countries | 0 | - | 4.40 | 98,046 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,757 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,359 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,432 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,503 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,590 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,411 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,651 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,224 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,003,486 |
| Landlocked Countries | 0 | - | 4.99 | 427,665 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,623 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,352 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,811 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,649 |
| Monarchies of Europe | 0 | - | 4.90 | 99,079 |
| Monarchies of Asia | 0 | - | 4.97 | 71,642 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,790 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,384 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,943 |
| Countries that Start with A | 0 | - | 4.98 | 2,179,356 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,988 |
| Countries that Start with C | 0 | - | 4.96 | 1,834,181 |
| Countries that Start with D | 0 | - | 4.96 | 718,345 |
| Countries that Start with E | 0 | - | 4.95 | 1,387,326 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,926 |
| Countries that Start with H | 0 | - | 4.96 | 610,951 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,458 |
| Countries that Start with J | 0 | - | 4.98 | 608,278 |
| Countries that Start with K | 0 | - | 4.97 | 822,167 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,589 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,691 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,789 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,506 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,274 |
| Countries that Start with U | 0 | - | 4.97 | 909,561 |
| Countries that Start with V | 0 | - | 4.98 | 612,775 |
| Countries that Start with F | 0 | - | 4.83 | 622,345 |
| Countries that Start with M | 0 | - | 4.97 | 1,390,130 |
| The Only African Country ... | 0 | - | 4.99 | 129,848 |
| The Only American Country ... | 0 | - | 4.92 | 122,398 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,479 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,583 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,029 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,790 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,126 |
| European Countries with One Border | 0 | - | 4.97 | 184,101 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,818 |
| Countries Closest to Africa | 0 | - | 4.96 | 158,049 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,018 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,559 |
| Population Trivia | 0 | - | 4.32 | 27,600 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,235 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,689 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,189 |
| Biggest City by Region | 0 | - | 4.50 | 36,428 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,387 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,385 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,048 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,208 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,994 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,334 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,465 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,638 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,787 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,611 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,313 |
| World Capitals Quiz | 0 | - | 5.00 | 5,116,809 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,115 |
| Himalayan Countries | 0 | - | 4.93 | 141,005 |
| Andean Countries | 0 | - | 4.94 | 85,891 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,004 |
