| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,128 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,630 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,916 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,104 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,278 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,364 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,785 |
| Countries with Megacities | 0 | - | 4.99 | 250,002 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,640 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,856 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,943 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,839 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,432 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,500 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,215 |
| European Countries with One Border | 0 | - | 4.97 | 182,440 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,253 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,474 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,267 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,600 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,224 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,293 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,850 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,710 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,934 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,297 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,662 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,039 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,029 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,245 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,127 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,399 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,026 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,718 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,825 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,650 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,573 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,805 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 355,545 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 414,454 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,300 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,396 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,932 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,553 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,133 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,989 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,544 |
| Random Countries by Borders | 0 | - | 4.99 | 82,235 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,748 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,101 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,290 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,153 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,817 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,846 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,815 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,737 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,046 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,820,378 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,317 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,388 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,459 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,064 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,159 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,090 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,122 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,428 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,204 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,769 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,400 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,491 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,217 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,718 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,948 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,643 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,392 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,775 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,912 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,788 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,551 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,277 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,125 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,175 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,358 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,598 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,710 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,166 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,298 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,715 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,809 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,355 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,394 |
| Olympic Host Countries | 0 | - | 4.98 | 200,219 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,523 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,712 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,637 |
| The Only European Country ... | 0 | - | 4.91 | 215,835 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,613 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,660 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,548 |
| Countries of Africa | 0 | - | 5.00 | 2,528,507 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,780 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,199 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,953 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,883 |
| Largest City by Island | 0 | - | 4.87 | 71,602 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,730 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,578 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,180 |
| Megacities on a World Map | 0 | - | 4.98 | 253,002 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,605 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,162 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,616 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,058 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,003 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,666 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,016 |
| Countries of the Middle East | 0 | - | 4.96 | 200,642 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,933 |
| Slavic Countries | 0 | - | 4.96 | 111,436 |
| African Island Countries | 0 | - | 4.96 | 101,367 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,769 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,703 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,281 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,914 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,596 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,220 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,087 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,424 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,738 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,571 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,370 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,471 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,491 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,040 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,913 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,336 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,937 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,925 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,770 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,015 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,840 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,871 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,236 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,947 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,152 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,925 |
| Most Populous Islands | 0 | - | 4.80 | 122,746 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,267 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,488 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,620 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,627 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,530 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,847 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,856 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,483 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,001 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,741 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,686 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,990 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,883 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,894 |
| Monarchies of Europe | 0 | - | 4.90 | 97,891 |
| Monarchies of Asia | 0 | - | 4.97 | 70,934 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,202 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,750 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,183 |
| Countries that Start with A | 0 | - | 4.98 | 2,157,715 |
| Countries that Start with B | 0 | - | 4.95 | 2,289,716 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,269 |
| Countries that Start with D | 0 | - | 4.96 | 706,978 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,096 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,732 |
| Countries that Start with H | 0 | - | 4.96 | 602,547 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,556 |
| Countries that Start with J | 0 | - | 4.98 | 600,433 |
| Countries that Start with K | 0 | - | 4.97 | 813,535 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,315 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,263 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,749 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,582 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,061 |
| Countries that Start with U | 0 | - | 4.97 | 903,001 |
| Countries that Start with V | 0 | - | 4.98 | 608,099 |
| Countries that Start with F | 0 | - | 4.83 | 615,901 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,956 |
| The Only African Country ... | 0 | - | 4.98 | 128,880 |
| The Only American Country ... | 0 | - | 4.92 | 121,362 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,037 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,962 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,212 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,738 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,378 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,596 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,632 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,189 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,726 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,951 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,335 |
| Boundary Waters | 0 | - | 4.92 | 88,349 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,055 |
