| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,144 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,639 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,926 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,112 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,280 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,489 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,834 |
| Countries with Megacities | 0 | - | 4.99 | 253,587 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,691 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,884 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,991 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,869 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,545 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,533 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,226 |
| European Countries with One Border | 0 | - | 4.97 | 182,455 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,265 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,484 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,288 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,618 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,233 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,303 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,865 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,745 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,966 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,314 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,684 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,052 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,038 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,276 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,131 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,407 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,035 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,727 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,840 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,657 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,586 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,816 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 355,547 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 414,476 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,322 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,420 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,948 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,571 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,197 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,994 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,551 |
| Random Countries by Borders | 0 | - | 4.99 | 82,240 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,752 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,104 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,295 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,154 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,838 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,853 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,824 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,741 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,151 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,820,664 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,339 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,393 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,465 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,069 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,161 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,091 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,126 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,433 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,207 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,772 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,403 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,497 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,220 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,719 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,955 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,656 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,401 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,798 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,943 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,808 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,593 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,295 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,139 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,227 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,366 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,608 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,717 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,169 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,308 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,722 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,926 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,381 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,431 |
| Olympic Host Countries | 0 | - | 4.98 | 200,240 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,545 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,744 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,697 |
| The Only European Country ... | 0 | - | 4.91 | 215,864 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,635 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,684 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,558 |
| Countries of Africa | 0 | - | 5.00 | 2,528,759 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,784 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,201 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,968 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,893 |
| Largest City by Island | 0 | - | 4.87 | 71,614 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,740 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,594 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,185 |
| Megacities on a World Map | 0 | - | 4.98 | 253,078 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,681 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,168 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,625 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,087 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,010 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,778 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,048 |
| Countries of the Middle East | 0 | - | 4.96 | 200,658 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,945 |
| Slavic Countries | 0 | - | 4.96 | 111,449 |
| African Island Countries | 0 | - | 4.96 | 101,378 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,772 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,720 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,299 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,024 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,609 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,228 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,098 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,429 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,767 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,590 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,379 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,482 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,499 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,055 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,925 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,348 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,951 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,934 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,781 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,028 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,841 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,882 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,243 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,043 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,164 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,937 |
| Most Populous Islands | 0 | - | 4.80 | 122,750 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,267 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,489 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,628 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,640 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,556 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,855 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,858 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,527 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,021 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,754 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,691 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,998 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,892 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,909 |
| Monarchies of Europe | 0 | - | 4.90 | 97,909 |
| Monarchies of Asia | 0 | - | 4.97 | 70,946 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,218 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,755 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,203 |
| Countries that Start with A | 0 | - | 4.98 | 2,157,936 |
| Countries that Start with B | 0 | - | 4.95 | 2,289,961 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,444 |
| Countries that Start with D | 0 | - | 4.96 | 707,092 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,230 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,875 |
| Countries that Start with H | 0 | - | 4.96 | 602,642 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,662 |
| Countries that Start with J | 0 | - | 4.98 | 600,513 |
| Countries that Start with K | 0 | - | 4.97 | 813,629 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,427 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,346 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,847 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,720 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,127 |
| Countries that Start with U | 0 | - | 4.97 | 903,063 |
| Countries that Start with V | 0 | - | 4.98 | 608,136 |
| Countries that Start with F | 0 | - | 4.83 | 615,970 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,069 |
| The Only African Country ... | 0 | - | 4.98 | 128,886 |
| The Only American Country ... | 0 | - | 4.92 | 121,368 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,039 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,963 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,216 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,756 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,391 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,608 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,640 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,199 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,734 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,952 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,339 |
| Boundary Waters | 0 | - | 4.92 | 88,354 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,057 |