| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 95,852 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 74,625 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 92,786 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 64,593 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,479 |
| Countries with Megacities | 0 | - | 4.99 | 195,224 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,860 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 97,057 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,974 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,926 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 245,667 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,304,250 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,912 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.90 | 205,881 |
| European Countries with One Border | 0 | - | 4.96 | 149,714 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 143,612 |
| Asian Countries with the Fewest Borders | 0 | - | 4.82 | 87,787 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 65,535 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 243,792 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,383 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,571 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 64,564 |
| Countries with the Most Borders | 0 | - | 4.97 | 358,027 |
| Countries of Europe by Population | 0 | - | 4.98 | 124,988 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 204,255 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,011 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 68,283 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 75,754 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,395 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,640 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 86,417 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 143,009 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 139,395 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 81,345 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,399 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,024 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.44 | 335,318 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.57 | 373,871 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 203,796 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 159,708 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 156,284 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 80,077 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.90 | 84,290 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 145,101 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 161,324 |
| Most Powerful Countries Bordering Each Other | 0 | - | 4.83 | 48,547 |
| Random Countries by Borders | 0 | - | 4.99 | 65,967 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,324 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 49,135 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 50,436 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.28 | 27,305 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 43,178 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.89 | 81,146 |
| Countries Bordering the EU | 0 | - | 4.72 | 53,289 |
| Biggest Cities in the World | 0 | - | 4.89 | 680,651 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,365,168 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 382,979 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 66,571 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 92,579 |
| Countries that Border Hungary | 0 | - | 4.98 | 95,864 |
| Countries Bordering Austria | 0 | - | 4.97 | 109,621 |
| Countries Bordering Tanzania | 0 | - | 4.97 | 66,089 |
| Countries Bordering Iran | 0 | - | 4.84 | 87,886 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 59,927 |
| Countries that Border Iraq | 0 | - | 4.97 | 101,308 |
| Countries Bordering Kenya | 0 | - | 4.86 | 57,705 |
| Countries Bordering Myanmar | 0 | - | 4.85 | 70,584 |
| Countries Bordering Saudi Arabia | 0 | - | 4.94 | 111,551 |
| Countries Bordering Serbia | 0 | - | 4.95 | 82,540 |
| Countries Bordering South Africa | 0 | - | 4.97 | 78,237 |
| Countries Bordering Turkey | 0 | - | 4.98 | 108,453 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,509 |
| Biggest City by Time Zone | 0 | - | 4.84 | 53,719 |
| Biggest City in Every Country | 0 | - | 4.97 | 77,936 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 167,984 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 91,184 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 94,981 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 63,917 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 70,551 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 368,193 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 64,513 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 42,093 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,215 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,077 |
| Biggest Cities in the United States | 0 | - | 4.92 | 810,200 |
| 100 Biggest Metro Areas in the USA | 0 | - | 4.98 | 321,352 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,763 |
| Olympic Host Countries | 0 | - | 4.98 | 160,895 |
| 10 Easternmost Countries in Europe | 0 | - | 4.84 | 91,170 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 230,211 |
| The Only European Country ... | 0 | - | 4.94 | 176,444 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 194,511 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,438 |
| Countries of Africa | 0 | - | 5.00 | 2,147,376 |
| Most Populous Countries by Year | 0 | - | 4.79 | 92,784 |
| Most Populous Country by First Two Letters | 0 | - | 4.75 | 66,560 |
| Demographics Multiple Choice | 0 | - | 4.66 | 39,610 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,332 |
| Biggest Cities by Language | 0 | - | 4.95 | 212,700 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,567 |
| Most Populous World Capitals | 0 | - | 4.92 | 147,022 |
| Biggest European Cities by Century | 0 | - | 4.98 | 117,892 |
| Megacities on a World Map | 0 | - | 4.98 | 219,408 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 509,918 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,506 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 62,882 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 83,347 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 150,322 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,173,814 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 19,056 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 183,900 |
| Countries of the Middle East | 0 | - | 4.96 | 171,778 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 73,963 |
| Slavic Countries | 0 | - | 4.96 | 99,922 |
| African Island Countries | 0 | - | 4.96 | 88,737 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 37,017 |
| Countries of North America Quiz | 0 | - | 5.00 | 871,594 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,202 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,918 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 118,465 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 116,062 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 126,140 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,712 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 159,778 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 125,025 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,537 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,656 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 137,797 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,134 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 130,178 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,218 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 96,015 |
| Bordering Countries by HDI Difference | 0 | - | 4.91 | 47,477 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 68,847 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.87 | 88,699 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 166,274 |
| Monarchies Bordering Monarchies | 0 | - | 4.86 | 55,477 |
| Most Populous Countries in 1950 | 0 | - | 4.55 | 70,685 |
| Most Populous Islands | 0 | - | 4.71 | 112,200 |
| Islands by Largest City #1 | 0 | - | 4.48 | 81,964 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 63,939 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 154,139 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,191 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,065 |
| Megacities on an Empty Map | 0 | - | 4.96 | 86,980 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 101,117 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,842 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,180 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 84,565 |
| Monarchies of Europe | 0 | - | 4.88 | 86,445 |
| Monarchies of Asia | 0 | - | 4.95 | 53,695 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 50,379 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 30,705 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 110,248 |
| Countries that Start with A | 0 | - | 4.98 | 1,930,651 |
| Countries that Start with B | 0 | - | 4.96 | 2,069,280 |
| Countries that Start with C | 0 | - | 4.96 | 1,636,085 |
| Countries that Start with D | 0 | - | 4.96 | 586,287 |
| Countries that Start with E | 0 | - | 4.95 | 1,223,470 |
| Countries that Start with G | 0 | - | 4.97 | 1,342,906 |
| Countries that Start with H | 0 | - | 4.95 | 499,926 |
| Countries that Start with I | 0 | - | 4.92 | 1,154,267 |
| Countries that Start with J | 0 | - | 4.98 | 503,375 |
| Countries that Start with K | 0 | - | 4.97 | 706,317 |
| Countries that Start with L | 0 | - | 4.98 | 964,696 |
| Countries that Start with N | 0 | - | 4.93 | 991,188 |
| Countries that Start with P | 0 | - | 4.94 | 1,093,904 |
| Countries that Start with S | 0 | - | 4.98 | 1,595,557 |
| Countries that Start with T | 0 | - | 4.88 | 903,842 |
| Countries that Start with U | 0 | - | 4.96 | 816,182 |
| Countries that Start with V | 0 | - | 4.98 | 546,832 |
| Countries that Start with F | 0 | - | 4.83 | 532,601 |
| Countries that Start with M | 0 | - | 4.97 | 1,246,787 |
| The Only African Country ... | 0 | - | 4.99 | 104,670 |
| The Only American Country ... | 0 | - | 4.94 | 109,014 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,242 |
| Bordering Countries by Clue #1 | 0 | - | 4.96 | 68,718 |
| Bordering Countries by Clue #2 | 0 | - | 4.94 | 70,015 |
| Walking Across Borders with Hints #1 | 0 | - | 4.93 | 89,223 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 24,776 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,571 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 82,923 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.82 | 37,263 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 119,829 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,589 |
| Countries Closest to Africa | 0 | - | 4.95 | 144,668 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,755 |
| Boundary Waters | 0 | - | 4.93 | 80,544 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,006 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 63,434 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,548 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 197,795 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 108,558 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 302,034 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 96,479 |
| UK Immigration by Country | 0 | - | 4.95 | 124,395 |
| Central American Countries | 0 | - | 4.98 | 138,172 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 103,652 |
| Total United States Immigration by Country | 0 | - | 4.90 | 96,032 |
| Biggest Spanish Empire Countries | 0 | - | 4.90 | 92,417 |
