| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,367 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,977 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,430 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,619 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,950 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,207 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,339 |
| Countries with Megacities | 0 | - | 4.99 | 247,094 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,209 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,038 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,625 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,949 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,355 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,724 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,316 |
| European Countries with One Border | 0 | - | 4.97 | 181,663 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,560 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,862 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,973 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,910 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,507 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,632 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,303 |
| Countries with the Most Borders | 0 | - | 4.97 | 385,859 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,152 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,272 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,507 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,325 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,308 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,635 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,588 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,835 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,241 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,146 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,146 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,134 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,660 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,042 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,690 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,885 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,013 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,035 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,884 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,017 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,833 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,431 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,618 |
| Random Countries by Borders | 0 | - | 4.99 | 81,690 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,622 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,858 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,967 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,602 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,512 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,485 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,449 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,609 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,801,728 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,283 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,143 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 106,439 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,716 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,797 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,937 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,801 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,224 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,859 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,541 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,094 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,240 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,775 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,311 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,505 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,131 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,674 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,720 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,001 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,894 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,100 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,509 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,544 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,712 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,607 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,069 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,187 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,765 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,702 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,554 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,924 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,854 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,059 |
| Olympic Host Countries | 0 | - | 4.98 | 198,923 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,835 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,618 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,736 |
| The Only European Country ... | 0 | - | 4.91 | 213,924 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,192 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,596 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,225 |
| Countries of Africa | 0 | - | 5.00 | 2,508,635 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,661 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,094 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,527 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,875 |
| Largest City by Island | 0 | - | 4.87 | 71,065 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,399 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,568 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,818 |
| Megacities on a World Map | 0 | - | 4.98 | 251,031 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,364 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,812 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,889 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,807 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,178 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,038 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,404 |
| Countries of the Middle East | 0 | - | 4.96 | 198,977 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,288 |
| Slavic Countries | 0 | - | 4.96 | 110,881 |
| African Island Countries | 0 | - | 4.96 | 100,812 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,508 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,508 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,054 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,012 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,748 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,514 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,156 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 138,911 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,818 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,651 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,730 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,796 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,164 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,185 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,312 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,599 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,300 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,442 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,275 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,516 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,677 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,364 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,917 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,405 |
| Monarchies Bordering Monarchies | 0 | - | 4.85 | 59,969 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,732 |
| Most Populous Islands | 0 | - | 4.79 | 122,002 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,203 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,408 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,160 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,063 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,381 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,576 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,754 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,120 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,529 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,307 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,226 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,392 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,362 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,382 |
| Monarchies of Europe | 0 | - | 4.90 | 97,343 |
| Monarchies of Asia | 0 | - | 4.97 | 70,613 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,839 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,437 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,826 |
| Countries that Start with A | 0 | - | 4.97 | 2,147,182 |
| Countries that Start with B | 0 | - | 4.95 | 2,280,164 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,574 |
| Countries that Start with D | 0 | - | 4.96 | 701,723 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,727 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,041 |
| Countries that Start with H | 0 | - | 4.96 | 598,107 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,454 |
| Countries that Start with J | 0 | - | 4.98 | 596,172 |
| Countries that Start with K | 0 | - | 4.97 | 809,527 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,042 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,910 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,706 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,732 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,334 |
| Countries that Start with U | 0 | - | 4.97 | 900,016 |
| Countries that Start with V | 0 | - | 4.98 | 605,182 |
| Countries that Start with F | 0 | - | 4.83 | 612,309 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,538 |
| The Only African Country ... | 0 | - | 4.99 | 128,383 |
| The Only American Country ... | 0 | - | 4.92 | 120,779 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,785 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,690 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,666 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,201 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,192 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,261 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,060 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,426 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,076 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,128 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,969 |
| Boundary Waters | 0 | - | 4.92 | 88,057 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,822 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,311 |
