| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,515 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,094 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,517 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,714 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,011 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,050 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,673 |
| Countries with Megacities | 0 | - | 4.99 | 247,670 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,524 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,221 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,913 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,156 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,584 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,023 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,441 |
| European Countries with One Border | 0 | - | 4.97 | 181,773 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,668 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,046 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,311 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,055 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,571 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,840 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,428 |
| Countries with the Most Borders | 0 | - | 4.97 | 386,170 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,395 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,421 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,636 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,433 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,372 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,725 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,648 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,909 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,333 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,255 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,273 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,203 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,975 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,203 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,847 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 413,087 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,193 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,180 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,012 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,086 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,881 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,534 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,698 |
| Random Countries by Borders | 0 | - | 4.99 | 81,753 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,647 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,900 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,018 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,118 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,755 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,571 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,534 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,509 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,619 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,804,655 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,615 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,188 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,213 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,773 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,858 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,957 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,854 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,254 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,904 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,573 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,141 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,278 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,852 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,329 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,574 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,213 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,851 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,928 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,387 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,084 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,689 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,710 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,655 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,142 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,754 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,180 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,281 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,834 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,823 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,177 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,159 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,293 |
| Olympic Host Countries | 0 | - | 4.98 | 199,055 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,929 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,784 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,328 |
| The Only European Country ... | 0 | - | 4.91 | 214,224 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,412 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,798 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,330 |
| Countries of Africa | 0 | - | 5.00 | 2,511,798 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,687 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,118 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,828 |
| Biggest Cities by Language | 0 | - | 4.96 | 240,507 |
| Largest City by Island | 0 | - | 4.87 | 71,154 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,458 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,687 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,435 |
| Megacities on a World Map | 0 | - | 4.98 | 251,368 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,918 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,888 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,980 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,020 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,315 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,029 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,650 |
| Countries of the Middle East | 0 | - | 4.96 | 199,203 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,399 |
| Slavic Countries | 0 | - | 4.96 | 110,975 |
| African Island Countries | 0 | - | 4.96 | 100,900 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,553 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,794 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,203 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,419 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,915 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,625 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,319 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,031 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,911 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,793 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,837 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,915 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,212 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,266 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,419 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,665 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,406 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,519 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,363 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,599 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,707 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,435 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,969 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,485 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,004 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,763 |
| Most Populous Islands | 0 | - | 4.79 | 122,052 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,215 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,424 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,232 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,174 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,651 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,617 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,777 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,530 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,665 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,390 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,294 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,478 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,430 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,445 |
| Monarchies of Europe | 0 | - | 4.90 | 97,437 |
| Monarchies of Asia | 0 | - | 4.97 | 70,664 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,868 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,486 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,045 |
| Countries that Start with A | 0 | - | 4.97 | 2,148,995 |
| Countries that Start with B | 0 | - | 4.95 | 2,281,717 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,841 |
| Countries that Start with D | 0 | - | 4.96 | 702,578 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,759 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,136 |
| Countries that Start with H | 0 | - | 4.96 | 598,799 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,292 |
| Countries that Start with J | 0 | - | 4.98 | 596,850 |
| Countries that Start with K | 0 | - | 4.97 | 810,180 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,888 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,763 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,481 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,894 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,915 |
| Countries that Start with U | 0 | - | 4.97 | 900,510 |
| Countries that Start with V | 0 | - | 4.98 | 605,628 |
| Countries that Start with F | 0 | - | 4.83 | 612,891 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,439 |
| The Only African Country ... | 0 | - | 4.98 | 128,447 |
| The Only American Country ... | 0 | - | 4.92 | 120,874 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,816 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,732 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,817 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,245 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,227 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,299 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,125 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,545 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,188 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,460 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,026 |
| Boundary Waters | 0 | - | 4.92 | 88,091 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,856 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,401 |
