| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,840 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,347 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,713 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,892 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,738 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,254 |
| Countries with Megacities | 0 | - | 4.99 | 248,890 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,107 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,534 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,463 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,483 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,796 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,810 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,792 |
| European Countries with One Border | 0 | - | 4.97 | 182,102 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,969 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,266 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,876 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,314 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,074 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,076 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,621 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,029 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,255 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,775 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,959 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,657 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,523 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,880 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,756 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,012 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,528 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,495 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,570 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,437 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,274 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,519 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 355,231 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 413,860 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,725 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,599 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,451 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,349 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,015 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,792 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,900 |
| Random Countries by Borders | 0 | - | 4.99 | 81,939 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,697 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,005 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,165 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,131 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,149 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,718 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,693 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,630 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,920 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,813,243 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,529 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,310 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,242 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,925 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,024 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,028 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,009 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,336 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,064 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,673 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,269 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,394 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,055 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,368 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,804 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,414 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,142 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,385 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,272 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,442 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,705 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,005 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,933 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,335 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,094 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,415 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,495 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,032 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,071 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,260 |
| Biggest Cities in the United States | 0 | - | 4.93 | 971,756 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,813 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,903 |
| Olympic Host Countries | 0 | - | 4.98 | 199,468 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,247 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,293 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,874 |
| The Only European Country ... | 0 | - | 4.91 | 215,095 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,055 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,292 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,464 |
| Countries of Africa | 0 | - | 5.00 | 2,521,082 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,730 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,162 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,477 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,391 |
| Largest City by Island | 0 | - | 4.87 | 71,395 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,589 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,953 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,953 |
| Megacities on a World Map | 0 | - | 4.98 | 252,308 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,417 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,024 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,354 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,593 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,724 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,372 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,390 |
| Countries of the Middle East | 0 | - | 4.96 | 199,833 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,725 |
| Slavic Countries | 0 | - | 4.96 | 111,241 |
| African Island Countries | 0 | - | 4.96 | 101,144 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,676 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,290 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,635 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,156 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,298 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,966 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,735 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,290 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,190 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,204 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,136 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,220 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,397 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,508 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,689 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,881 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,668 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,723 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,576 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,830 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,772 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,657 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,134 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,718 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,075 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,841 |
| Most Populous Islands | 0 | - | 4.79 | 122,197 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,240 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,450 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,442 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,410 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,137 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,724 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,820 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,545 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,336 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,565 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,528 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,765 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,720 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,736 |
| Monarchies of Europe | 0 | - | 4.90 | 97,690 |
| Monarchies of Asia | 0 | - | 4.97 | 70,825 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,954 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,623 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,614 |
| Countries that Start with A | 0 | - | 4.98 | 2,153,680 |
| Countries that Start with B | 0 | - | 4.95 | 2,285,967 |
| Countries that Start with C | 0 | - | 4.96 | 1,815,209 |
| Countries that Start with D | 0 | - | 4.96 | 704,898 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,561 |
| Countries that Start with G | 0 | - | 4.97 | 1,497,069 |
| Countries that Start with H | 0 | - | 4.96 | 600,745 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,549 |
| Countries that Start with J | 0 | - | 4.98 | 598,762 |
| Countries that Start with K | 0 | - | 4.97 | 811,941 |
| Countries that Start with L | 0 | - | 4.98 | 1,086,044 |
| Countries that Start with N | 0 | - | 4.93 | 1,113,010 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,867 |
| Countries that Start with S | 0 | - | 4.98 | 1,748,843 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,605 |
| Countries that Start with U | 0 | - | 4.97 | 901,858 |
| Countries that Start with V | 0 | - | 4.98 | 607,071 |
| Countries that Start with F | 0 | - | 4.83 | 614,495 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,849 |
| The Only African Country ... | 0 | - | 4.99 | 128,694 |
| The Only American Country ... | 0 | - | 4.92 | 121,162 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,924 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,862 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,036 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,412 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,360 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,458 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,372 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,905 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,486 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,712 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,198 |
| Boundary Waters | 0 | - | 4.92 | 88,223 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,964 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,645 |
