| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,069 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,585 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,882 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,062 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,255 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,084 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,681 |
| Countries with Megacities | 0 | - | 4.99 | 249,783 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,518 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,786 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,850 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,773 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,905 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,367 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,043 |
| European Countries with One Border | 0 | - | 4.97 | 182,371 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,202 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,429 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,179 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,542 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,192 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,246 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,809 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,582 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,802 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,229 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,544 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,014 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,007 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,027 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,104 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,371 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,997 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,677 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,786 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,605 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,527 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,755 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 355,494 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 414,306 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,173 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,272 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,790 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,513 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,112 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,952 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,499 |
| Random Countries by Borders | 0 | - | 4.99 | 82,193 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,740 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,081 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,272 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,149 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,641 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,829 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,787 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,720 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,555 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,818,907 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,140 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,373 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,416 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,034 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,128 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,079 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,098 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,411 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,175 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,755 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,380 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,468 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,184 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,712 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,915 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,564 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,340 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,683 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,775 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,717 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,361 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,221 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,087 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,980 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,299 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,558 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,667 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,141 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,250 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,177 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,244 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,318 |
| Olympic Host Countries | 0 | - | 4.98 | 199,940 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,469 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,628 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,212 |
| The Only European Country ... | 0 | - | 4.91 | 215,691 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,510 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,591 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,534 |
| Countries of Africa | 0 | - | 5.00 | 2,526,886 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,769 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,193 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,861 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,801 |
| Largest City by Island | 0 | - | 4.87 | 71,558 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,684 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,515 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,133 |
| Megacities on a World Map | 0 | - | 4.98 | 252,840 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,354 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,130 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,570 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,954 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,953 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,092 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,883 |
| Countries of the Middle East | 0 | - | 4.96 | 200,551 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,887 |
| Slavic Countries | 0 | - | 4.96 | 111,398 |
| African Island Countries | 0 | - | 4.96 | 101,321 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,756 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,624 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.85 | 46,151 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,361 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,538 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,163 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,009 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,395 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,523 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,491 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,322 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,413 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,477 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,699 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,862 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,058 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,881 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,873 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,737 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,974 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,832 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,820 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,219 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,908 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,144 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,897 |
| Most Populous Islands | 0 | - | 4.80 | 122,716 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,264 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,483 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,589 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,577 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,401 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,812 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,841 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,204 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,886 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,681 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,649 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,955 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,853 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,852 |
| Monarchies of Europe | 0 | - | 4.90 | 97,850 |
| Monarchies of Asia | 0 | - | 4.97 | 70,915 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,067 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,732 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,052 |
| Countries that Start with A | 0 | - | 4.98 | 2,156,871 |
| Countries that Start with B | 0 | - | 4.95 | 2,288,923 |
| Countries that Start with C | 0 | - | 4.96 | 1,817,635 |
| Countries that Start with D | 0 | - | 4.96 | 706,562 |
| Countries that Start with E | 0 | - | 4.95 | 1,373,538 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,152 |
| Countries that Start with H | 0 | - | 4.96 | 602,153 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,153 |
| Countries that Start with J | 0 | - | 4.98 | 600,089 |
| Countries that Start with K | 0 | - | 4.97 | 813,217 |
| Countries that Start with L | 0 | - | 4.98 | 1,087,931 |
| Countries that Start with N | 0 | - | 4.93 | 1,114,810 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,317 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,011 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,751 |
| Countries that Start with U | 0 | - | 4.97 | 902,767 |
| Countries that Start with V | 0 | - | 4.98 | 607,878 |
| Countries that Start with F | 0 | - | 4.83 | 615,630 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,508 |
| The Only African Country ... | 0 | - | 4.98 | 128,847 |
| The Only American Country ... | 0 | - | 4.92 | 121,314 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,014 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,942 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,174 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,410 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,133 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,571 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,593 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,145 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,677 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,877 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,312 |
| Boundary Waters | 0 | - | 4.92 | 88,333 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,045 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,807 |
