| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,877 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,287 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,446 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,578 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,542 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,211 |
| Countries with Megacities | 0 | - | 4.99 | 265,327 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,038 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,642 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,280 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,715 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,913 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,395 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,131 |
| European Countries with One Border | 0 | - | 4.97 | 183,297 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,079 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,041 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,440 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,310 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,664 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,861 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,317 |
| Countries with the Most Borders | 0 | - | 4.97 | 389,493 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,920 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,003 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,032 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,408 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,604 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,353 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,999 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,385 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,688 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,501 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,314 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,505 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,139 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,569 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,589 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,291 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 416,382 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,640 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,481 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,074 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,513 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,656 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,631 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,993 |
| Random Countries by Borders | 0 | - | 4.99 | 82,768 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,909 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,353 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,657 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,200 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,905 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,268 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,160 |
| Countries Bordering the EU | 0 | - | 4.78 | 73,385 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,358 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,838,777 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,646 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,640 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,922 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,510 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,741 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,603 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,751 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,687 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,834 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,003 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,962 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,156 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,764 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,852 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,633 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,172 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,499 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,365 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,366 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,983 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 147,385 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,365 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,935 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,297 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,538 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,323 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,416 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,936 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,055 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,512 |
| Biggest Cities in the United States | 0 | - | 4.94 | 982,553 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,109 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,930 |
| Olympic Host Countries | 0 | - | 4.98 | 201,324 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,390 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,296 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 311,597 |
| The Only European Country ... | 0 | - | 4.91 | 217,849 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,087 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,882 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,790 |
| Countries of Africa | 0 | - | 5.00 | 2,548,624 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,931 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,319 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,227 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,193 |
| Largest City by Island | 0 | - | 4.87 | 72,166 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,252 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,346 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,889 |
| Megacities on a World Map | 0 | - | 4.98 | 255,759 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,169 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,580 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,318 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,497 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,063 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,875 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,046 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,785 |
| Countries of the Middle East | 0 | - | 4.96 | 201,928 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,746 |
| Slavic Countries | 0 | - | 4.96 | 112,025 |
| African Island Countries | 0 | - | 4.96 | 102,060 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,013 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,845 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 51,840 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,221 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,389 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,940 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,096 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,878 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,789 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,785 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,118 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,186 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,792 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,525 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,668 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,116 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,849 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,542 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,696 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,770 |
| Bordering Countries by HDI Difference | 0 | - | 4.89 | 52,041 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,480 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,607 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,869 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,477 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,179 |
| Most Populous Islands | 0 | - | 4.80 | 123,116 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,338 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,587 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,236 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,685 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,546 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,272 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,023 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,298 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,868 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,277 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,434 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,224 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,702 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,378 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,291 |
| Monarchies of Europe | 0 | - | 4.90 | 98,475 |
| Monarchies of Asia | 0 | - | 4.97 | 71,308 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,568 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,096 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,746 |
| Countries that Start with A | 0 | - | 4.98 | 2,169,041 |
| Countries that Start with B | 0 | - | 4.95 | 2,300,155 |
| Countries that Start with C | 0 | - | 4.96 | 1,826,699 |
| Countries that Start with D | 0 | - | 4.96 | 713,000 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,081 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,341 |
| Countries that Start with H | 0 | - | 4.96 | 607,118 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,411 |
| Countries that Start with J | 0 | - | 4.98 | 604,659 |
| Countries that Start with K | 0 | - | 4.97 | 818,245 |
| Countries that Start with L | 0 | - | 4.98 | 1,093,713 |
| Countries that Start with N | 0 | - | 4.93 | 1,120,762 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,100 |
| Countries that Start with S | 0 | - | 4.98 | 1,758,997 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,067 |
| Countries that Start with U | 0 | - | 4.97 | 906,279 |
| Countries that Start with V | 0 | - | 4.98 | 610,623 |
| Countries that Start with F | 0 | - | 4.83 | 619,425 |
| Countries that Start with M | 0 | - | 4.97 | 1,384,971 |
| The Only African Country ... | 0 | - | 4.99 | 129,389 |
| The Only American Country ... | 0 | - | 4.92 | 121,922 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,266 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,198 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,519 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 109,132 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,755 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,076 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,174 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,033 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,420 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,512 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,676 |
