| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,037 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,428 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,551 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,691 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,680 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,300 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,457 |
| Countries with Megacities | 0 | - | 4.99 | 265,900 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,249 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,757 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,507 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,855 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,337 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,745 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,287 |
| European Countries with One Border | 0 | - | 4.97 | 183,473 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,218 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,123 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,619 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,441 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,735 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,987 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,407 |
| Countries with the Most Borders | 0 | - | 4.97 | 389,860 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,303 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,135 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,545 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,710 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,398 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,077 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,424 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,737 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,590 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,432 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,657 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,244 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,718 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,736 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,406 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 416,846 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,942 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,696 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,332 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,661 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,731 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,794 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,081 |
| Random Countries by Borders | 0 | - | 4.99 | 82,859 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,932 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,405 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,700 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,208 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,101 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,331 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,227 |
| Countries Bordering the EU | 0 | - | 4.78 | 73,430 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,486 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,842,236 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,092 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,674 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,005 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,872 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,825 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,645 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,911 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,748 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,979 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,053 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,050 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,534 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,895 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,865 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,752 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,270 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,679 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,580 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,739 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,177 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,937 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,527 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,060 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,762 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,707 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,449 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,520 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,044 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,169 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,803 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,330 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,455 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,214 |
| Olympic Host Countries | 0 | - | 4.98 | 201,560 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,589 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,670 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,330 |
| The Only European Country ... | 0 | - | 4.91 | 218,265 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,371 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,103 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,822 |
| Countries of Africa | 0 | - | 5.00 | 2,552,158 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,966 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,347 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,360 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,384 |
| Largest City by Island | 0 | - | 4.87 | 72,260 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,314 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,478 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,978 |
| Megacities on a World Map | 0 | - | 4.98 | 256,157 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,762 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,649 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,454 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,734 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,394 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,322 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,154 |
| Countries of the Middle East | 0 | - | 4.96 | 202,214 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,908 |
| Slavic Countries | 0 | - | 4.96 | 112,156 |
| African Island Countries | 0 | - | 4.96 | 102,211 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,069 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,041 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,506 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,599 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,546 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,080 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,274 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,994 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,926 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,025 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,255 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,322 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,854 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,622 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,808 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,282 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,050 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,689 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,967 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,946 |
| Bordering Countries by HDI Difference | 0 | - | 4.89 | 52,074 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,589 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,684 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,008 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,510 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,226 |
| Most Populous Islands | 0 | - | 4.80 | 123,184 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,351 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,607 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,371 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,813 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,861 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,327 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,049 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,782 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,999 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,382 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,518 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,306 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,855 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,489 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,358 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,530 |
| Monarchies of Europe | 0 | - | 4.90 | 98,603 |
| Monarchies of Asia | 0 | - | 4.97 | 71,369 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,614 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,164 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,983 |
| Countries that Start with A | 0 | - | 4.98 | 2,171,403 |
| Countries that Start with B | 0 | - | 4.95 | 2,302,497 |
| Countries that Start with C | 0 | - | 4.96 | 1,828,397 |
| Countries that Start with D | 0 | - | 4.96 | 714,209 |
| Countries that Start with E | 0 | - | 4.95 | 1,382,476 |
| Countries that Start with G | 0 | - | 4.97 | 1,508,780 |
| Countries that Start with H | 0 | - | 4.96 | 607,988 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,540 |
| Countries that Start with J | 0 | - | 4.98 | 605,477 |
| Countries that Start with K | 0 | - | 4.97 | 819,150 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,789 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,836 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,125 |
| Countries that Start with S | 0 | - | 4.98 | 1,760,469 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,362 |
| Countries that Start with U | 0 | - | 4.97 | 907,275 |
| Countries that Start with V | 0 | - | 4.98 | 611,119 |
| Countries that Start with F | 0 | - | 4.83 | 620,089 |
| Countries that Start with M | 0 | - | 4.97 | 1,386,134 |
| The Only African Country ... | 0 | - | 4.99 | 129,486 |
| The Only American Country ... | 0 | - | 4.92 | 122,036 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,308 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,250 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,575 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 109,198 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,817 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,179 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,295 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,214 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,580 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,614 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,752 |
