| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,148 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,508 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,631 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,760 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,725 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,171 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,778 |
| Countries with Megacities | 0 | - | 4.99 | 266,344 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,489 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,897 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,784 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,006 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,131 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,987 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,520 |
| European Countries with One Border | 0 | - | 4.97 | 183,551 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,315 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,197 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,753 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,510 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,798 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,082 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,482 |
| Countries with the Most Borders | 0 | - | 4.97 | 390,064 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,503 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,230 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,627 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,764 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,438 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,112 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,452 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,789 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,649 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,499 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,747 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,297 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,801 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,832 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,485 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 417,462 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,085 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,804 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,453 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,725 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,762 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,870 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,137 |
| Random Countries by Borders | 0 | - | 4.99 | 82,905 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,945 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,427 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,735 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,211 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,193 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,367 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,269 |
| Countries Bordering the EU | 0 | - | 4.78 | 73,462 |
| Biggest Cities in the World | 0 | - | 4.92 | 804,148 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,843,994 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,355 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,702 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,034 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,913 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,865 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,665 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,968 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,771 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,023 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,075 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,096 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,630 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,945 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,875 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,797 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,325 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,776 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,720 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,979 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,268 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,322 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,613 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,129 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,018 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,787 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,513 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,579 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,108 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,240 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,040 |
| Biggest Cities in the United States | 0 | - | 4.94 | 985,082 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,616 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,398 |
| Olympic Host Countries | 0 | - | 4.98 | 201,689 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,672 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,811 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,744 |
| The Only European Country ... | 0 | - | 4.91 | 218,500 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,558 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,229 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,854 |
| Countries of Africa | 0 | - | 5.00 | 2,554,175 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,985 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,359 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,421 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,467 |
| Largest City by Island | 0 | - | 4.87 | 72,326 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,344 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,543 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,030 |
| Megacities on a World Map | 0 | - | 4.98 | 256,420 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,179 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,688 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,523 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,897 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,485 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,081 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,346 |
| Countries of the Middle East | 0 | - | 4.96 | 202,348 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,988 |
| Slavic Countries | 0 | - | 4.96 | 112,220 |
| African Island Countries | 0 | - | 4.96 | 102,292 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,108 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,136 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,703 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,417 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,626 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,158 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,391 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 140,188 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,002 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,134 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,333 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,401 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,883 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,667 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,876 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,337 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,119 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,755 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,025 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,999 |
| Bordering Countries by HDI Difference | 0 | - | 4.89 | 52,101 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,644 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,724 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,103 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,534 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,257 |
| Most Populous Islands | 0 | - | 4.80 | 123,229 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,361 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,615 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,452 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,859 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,960 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,362 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,060 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,048 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,051 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,423 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,565 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,362 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,938 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,544 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,408 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,778 |
| Monarchies of Europe | 0 | - | 4.90 | 98,701 |
| Monarchies of Asia | 0 | - | 4.97 | 71,418 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,647 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,209 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,132 |
| Countries that Start with A | 0 | - | 4.98 | 2,172,676 |
| Countries that Start with B | 0 | - | 4.95 | 2,303,666 |
| Countries that Start with C | 0 | - | 4.96 | 1,829,286 |
| Countries that Start with D | 0 | - | 4.96 | 714,863 |
| Countries that Start with E | 0 | - | 4.95 | 1,383,271 |
| Countries that Start with G | 0 | - | 4.97 | 1,509,593 |
| Countries that Start with H | 0 | - | 4.96 | 608,468 |
| Countries that Start with I | 0 | - | 4.92 | 1,293,146 |
| Countries that Start with J | 0 | - | 4.98 | 605,916 |
| Countries that Start with K | 0 | - | 4.97 | 819,632 |
| Countries that Start with L | 0 | - | 4.98 | 1,095,400 |
| Countries that Start with N | 0 | - | 4.93 | 1,122,425 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,698 |
| Countries that Start with S | 0 | - | 4.98 | 1,761,251 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,802 |
| Countries that Start with U | 0 | - | 4.97 | 907,634 |
| Countries that Start with V | 0 | - | 4.98 | 611,387 |
| Countries that Start with F | 0 | - | 4.83 | 620,446 |
| Countries that Start with M | 0 | - | 4.97 | 1,386,773 |
| The Only African Country ... | 0 | - | 4.99 | 129,545 |
| The Only American Country ... | 0 | - | 4.92 | 122,086 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,330 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,282 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,603 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 109,239 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,842 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,215 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,366 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,279 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,649 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,671 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,791 |
