| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,963 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,830 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,821 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,767 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,813 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,507 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,682 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,906 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,841 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,359 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,406 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,114 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,853 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,501 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,175 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,502 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,846 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,732 |
| Asia Capital to Country | 0 | - | 4.96 | 127,348 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,872 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,165 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,532 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,331 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,642 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,964 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,099 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,405 |
| Biggest Cities in China | 0 | - | 4.53 | 159,810 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,213 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,366 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,916 |
| Capitals of the Stans | 0 | - | 4.95 | 27,121 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,926 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,952 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,109 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,671 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,257 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,964 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,395 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,008 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,590 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,366 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,042 |
| Countries with Megacities | 0 | - | 4.99 | 266,911 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,756 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,065 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,074 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,183 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,575 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,960 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,203 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,138 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,347 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,474 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,402 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,291 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,965 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,623 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,878 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,183 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,576 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,904 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,892 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,287 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,410 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,812 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,738 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,217 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,479 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,927 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,593 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,681 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,183 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,361 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,247 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,501 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,915 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,990 |
| Name a City - European Countries | 0 | - | 4.90 | 66,124 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,399 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,363 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,494 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,229 |
| Biggest Cities in History | 0 | - | 4.52 | 90,566 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,950 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,746 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,689 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,490 |
| Cities in European History #1 | 0 | - | 4.63 | 134,572 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,243 |
| China by Picture | 0 | - | 4.51 | 63,685 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,298 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,889 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,299 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,628 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,730 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,866 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,180 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,537 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,602 |
| Largest City by Island | 0 | - | 4.87 | 72,415 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,652 |
| Megacities on a World Map | 0 | - | 4.98 | 256,760 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,744 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,631 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,530 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,290 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,252 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,615 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,765 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,424 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,998 |
| Former Capitals | 0 | - | 4.88 | 71,663 |
| Europe Capital to Country | 0 | - | 4.99 | 251,982 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,907 |
| European Capitals by Map | 0 | - | 4.99 | 141,981 |
| African Capitals by Map | 0 | - | 4.99 | 142,034 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,814 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,819 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,139 |
| European Coastal Capitals | 0 | - | 4.95 | 91,267 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,536 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,690 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,142 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,312 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,613 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,885 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,012 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,939 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,953 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,380 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,531 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,787 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,153 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,491 |
| Official Cities in the UK | 0 | - | 4.89 | 286,076 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,021 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,050 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,198 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,543 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,066 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,267 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,558 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,196 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,983 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,686 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,550 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,383 |
| Most Populous Islands | 0 | - | 4.80 | 123,301 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,380 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,643 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,973 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,469 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,778 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,300 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,959 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,031 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,675 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,991 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,500 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,417 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,400 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,121 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,877 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,779 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,244 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,888 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,028 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,885 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,736 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,635 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,368 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,803 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,028 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,034 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,544 |
| Random European Capital to Country | 0 | - | 4.98 | 192,079 |
| Random European Country to Capital | 0 | - | 4.93 | 165,842 |
| Random African Capital to Country | 0 | - | 4.97 | 101,298 |
| Random African Country to Capital | 0 | - | 4.95 | 71,725 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,534 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,249 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,784 |
| Vietnam War Countries | 0 | - | 4.82 | 94,585 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,149 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,442 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,572 |
| Countries that Border China | 0 | - | 4.96 | 264,210 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,822 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,508 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,725 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,168 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,859 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,108 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,323 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,069 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,644 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,143 |
| Biggest City by Region | 0 | - | 4.50 | 36,387 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,327 |
