| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,513 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,471 |
| Countries with Megacities | 0 | - | 4.99 | 267,788 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,121 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,326 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,453 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,422 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,890 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,938 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,455 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,501 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,801 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,991 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,353 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,713 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,146 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,574 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,593 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,181 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,967 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,547 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,838 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,880 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,028 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,249 |
| Largest City by Island | 0 | - | 4.87 | 72,559 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,008 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,003 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,601 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,275 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,570 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,919 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,858 |
| African Island Countries | 0 | - | 4.96 | 102,715 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,794 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,113 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,892 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,424 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,260 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,077 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,017 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,965 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,095 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,541 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,886 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,351 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,743 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,872 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,859 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,807 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,223 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,564 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,076 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,166 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,940 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,786 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,639 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,539 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,937 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,370 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,084 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,707 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,829 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,295 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,548 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,709 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,166 |
| Olympic Host Countries | 0 | - | 4.98 | 202,180 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,225 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,442 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,897 |
| The Only European Country ... | 0 | - | 4.91 | 219,513 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,284 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,795 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,976 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 145,430 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,105 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,940 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,468 |
| Countries of Africa | 0 | - | 5.00 | 2,564,063 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,057 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,413 |
| Asian Island Nations | 0 | - | 4.63 | 94,522 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,766 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,834 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,482 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,847 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,235 |
| Megacities on a World Map | 0 | - | 4.98 | 257,406 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,759 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,830 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,824 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,748 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,836 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,956 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,197 |
| Countries of the Middle East | 0 | - | 4.96 | 203,223 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,343 |
| Slavic Countries | 0 | - | 4.96 | 112,486 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,235 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,709 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,538 |
| Islands by Country #1 | 0 | - | 4.90 | 176,476 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,068 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,989 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,462 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,931 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,342 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,120 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,749 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,703 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,071 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,964 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,501 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,043 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,668 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,058 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,298 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,307 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,585 |
| Boundary Waters | 0 | - | 4.92 | 88,830 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,459 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,822 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,539 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,056 |
| Most Populous Islands | 0 | - | 4.80 | 123,426 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,401 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,674 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,964 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,693 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,112 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,337 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,479 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,306 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,348 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,592 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,778 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,097 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,564 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,258 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,762 |
| Richest Island Countries | 0 | - | 4.85 | 101,345 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,604 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,241 |
| Monarchies of Europe | 0 | - | 4.90 | 99,015 |
| Monarchies of Asia | 0 | - | 4.97 | 71,592 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,283 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,760 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,344 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,785 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,126 |
| Countries that Start with B | 0 | - | 4.95 | 2,308,759 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,245 |
| Countries that Start with D | 0 | - | 4.96 | 717,662 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,502 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,069 |
| Countries that Start with H | 0 | - | 4.96 | 610,440 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,681 |
| Countries that Start with J | 0 | - | 4.98 | 607,817 |
| Countries that Start with K | 0 | - | 4.97 | 821,647 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,964 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,025 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,191 |
| Countries that Start with S | 0 | - | 4.98 | 1,764,686 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,787 |
| Countries that Start with U | 0 | - | 4.97 | 909,147 |
| Countries that Start with V | 0 | - | 4.98 | 612,502 |
| Countries that Start with F | 0 | - | 4.83 | 621,953 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,484 |
| The Only African Country ... | 0 | - | 4.99 | 129,782 |
| The Only American Country ... | 0 | - | 4.92 | 122,335 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,440 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,553 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,966 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,699 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,050 |
| European Countries with One Border | 0 | - | 4.97 | 183,998 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,709 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,966 |
| Name a Valid Island Country | 0 | - | 4.97 | 130,425 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,961,228 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,193 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,676 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,179 |
| Biggest City by Region | 0 | - | 4.50 | 36,416 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,367 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,363 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,025 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,058 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,905 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,327 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,459 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,604 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,701 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,599 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,296 |
| Landlocked Countries | 0 | - | 4.99 | 427,156 |
| UK Immigration by Country | 0 | - | 4.94 | 141,870 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 58,132 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,447 |
