| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,424 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,726 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,791 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,931 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,830 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,791 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,276 |
| Countries with Megacities | 0 | - | 4.99 | 267,357 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,950 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,208 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,267 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,311 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,734 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,647 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,970 |
| European Countries with One Border | 0 | - | 4.97 | 183,865 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,585 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,367 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,313 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,715 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,934 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,269 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,657 |
| Countries with the Most Borders | 0 | - | 4.97 | 390,734 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,275 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,474 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,878 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,928 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,559 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,220 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,534 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,881 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,794 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,710 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,990 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,467 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,043 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,057 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,753 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 417,951 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,668 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,231 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,031 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,962 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,910 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,014 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,283 |
| Random Countries by Borders | 0 | - | 4.99 | 83,123 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,988 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,506 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,811 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,615 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,485 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,361 |
| Countries Bordering the EU | 0 | - | 4.78 | 73,545 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,028 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,850,189 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,044 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,780 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,166 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,029 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,965 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,713 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,085 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,867 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,128 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,160 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,208 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,834 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,122 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,924 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,913 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,493 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,989 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,032 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,846 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,536 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,523 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,178 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,834 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,292 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,804 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,008 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,656 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,759 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,245 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,448 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,496 |
| Biggest Cities in the United States | 0 | - | 4.94 | 987,651 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,182 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,927 |
| Olympic Host Countries | 0 | - | 4.98 | 202,040 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,050 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,251 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,234 |
| The Only European Country ... | 0 | - | 4.91 | 219,199 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,065 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,621 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,948 |
| Countries of Africa | 0 | - | 5.00 | 2,561,442 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,035 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,391 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,657 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,724 |
| Largest City by Island | 0 | - | 4.87 | 72,486 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,448 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,737 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,181 |
| Megacities on a World Map | 0 | - | 4.98 | 257,103 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,247 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,791 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,731 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,544 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,727 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,180 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,946 |
| Countries of the Middle East | 0 | - | 4.96 | 203,033 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,236 |
| Slavic Countries | 0 | - | 4.96 | 112,414 |
| African Island Countries | 0 | - | 4.96 | 102,583 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,199 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,542 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,282 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,075 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,875 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,362 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,748 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 140,321 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,212 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,843 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,625 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,601 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,020 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,892 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,132 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,914 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,477 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,970 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,202 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 43,852 |
| Bordering Countries by HDI Difference | 0 | - | 4.89 | 52,158 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,831 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,834 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,308 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,599 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,551 |
| Most Populous Islands | 0 | - | 4.80 | 123,367 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,387 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,657 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,595 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,032 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,227 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,450 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,106 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,937 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,264 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,539 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,712 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,503 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,150 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,694 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,543 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,153 |
| Monarchies of Europe | 0 | - | 4.90 | 98,916 |
| Monarchies of Asia | 0 | - | 4.97 | 71,529 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,720 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,308 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,593 |
| Countries that Start with A | 0 | - | 4.98 | 2,176,515 |
| Countries that Start with B | 0 | - | 4.95 | 2,307,218 |
| Countries that Start with C | 0 | - | 4.96 | 1,832,065 |
| Countries that Start with D | 0 | - | 4.96 | 716,838 |
| Countries that Start with E | 0 | - | 4.95 | 1,385,571 |
| Countries that Start with G | 0 | - | 4.97 | 1,512,033 |
| Countries that Start with H | 0 | - | 4.96 | 609,875 |
| Countries that Start with I | 0 | - | 4.92 | 1,294,948 |
| Countries that Start with J | 0 | - | 4.98 | 607,246 |
| Countries that Start with K | 0 | - | 4.97 | 821,065 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,195 |
| Countries that Start with N | 0 | - | 4.93 | 1,124,259 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,405 |
| Countries that Start with S | 0 | - | 4.98 | 1,763,664 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,185 |
| Countries that Start with U | 0 | - | 4.97 | 908,708 |
| Countries that Start with V | 0 | - | 4.98 | 612,180 |
| Countries that Start with F | 0 | - | 4.83 | 621,526 |
| Countries that Start with M | 0 | - | 4.97 | 1,388,655 |
| The Only African Country ... | 0 | - | 4.99 | 129,718 |
| The Only American Country ... | 0 | - | 4.92 | 122,244 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,407 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,382 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,693 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 109,349 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,932 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,447 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,877 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,580 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 106,914 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,890 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,908 |
