| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,972 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,834 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,822 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,768 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,813 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,558 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,683 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,912 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,858 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,362 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,408 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,117 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,858 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,501 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,179 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,504 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,846 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,734 |
| Asia Capital to Country | 0 | - | 4.96 | 127,352 |
| 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 | 46,534 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,333 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,644 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,967 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,103 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,406 |
| Biggest Cities in China | 0 | - | 4.53 | 159,814 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,216 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,367 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,919 |
| Capitals of the Stans | 0 | - | 4.95 | 27,123 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,930 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,958 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,131 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,672 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,260 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,967 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,396 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,010 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,642 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,372 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,048 |
| Countries with Megacities | 0 | - | 4.99 | 266,925 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,761 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,070 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,079 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,188 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,581 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,973 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,223 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,138 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,350 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,479 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,405 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,293 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,971 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,624 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,878 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,186 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,577 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,909 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,894 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,293 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,413 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,820 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,741 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,221 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,489 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,931 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,593 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,686 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,185 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,364 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,256 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,544 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,924 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,992 |
| Name a City - European Countries | 0 | - | 4.90 | 66,127 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,415 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,365 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,495 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,255 |
| Biggest Cities in History | 0 | - | 4.52 | 90,568 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,958 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,760 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,690 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,492 |
| Cities in European History #1 | 0 | - | 4.63 | 134,574 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,244 |
| China by Picture | 0 | - | 4.51 | 63,686 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,299 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,889 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,304 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,631 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,731 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,868 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,183 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,537 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,609 |
| Largest City by Island | 0 | - | 4.87 | 72,420 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,659 |
| Megacities on a World Map | 0 | - | 4.98 | 256,770 |
| 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 | 75,634 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,550 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,306 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,253 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,621 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,769 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,426 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,004 |
| Former Capitals | 0 | - | 4.88 | 71,663 |
| Europe Capital to Country | 0 | - | 4.99 | 251,987 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,914 |
| European Capitals by Map | 0 | - | 4.99 | 142,000 |
| African Capitals by Map | 0 | - | 4.99 | 142,050 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,826 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,821 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,143 |
| European Coastal Capitals | 0 | - | 4.95 | 91,270 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,545 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,694 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,145 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,314 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,615 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,889 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,013 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,940 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,955 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,380 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,533 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,788 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,158 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,491 |
| Official Cities in the UK | 0 | - | 4.89 | 286,084 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,028 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,062 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,198 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,545 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,067 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,267 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,560 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,196 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,984 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,687 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,552 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,398 |
| Most Populous Islands | 0 | - | 4.80 | 123,307 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,380 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,644 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,973 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,470 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,778 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,301 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,960 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,033 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,681 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,992 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,510 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,421 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,405 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,127 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,882 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,782 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,245 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,891 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,043 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,893 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,743 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,636 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,371 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,804 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,029 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,037 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,556 |
| Random European Capital to Country | 0 | - | 4.98 | 192,082 |
| Random European Country to Capital | 0 | - | 4.93 | 165,845 |
| Random African Capital to Country | 0 | - | 4.97 | 101,300 |
| Random African Country to Capital | 0 | - | 4.95 | 71,726 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,535 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,254 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,790 |
| Vietnam War Countries | 0 | - | 4.82 | 94,585 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,160 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,442 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,577 |
| Countries that Border China | 0 | - | 4.96 | 264,214 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,824 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,513 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,725 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,175 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,861 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,108 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,326 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,074 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,644 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,145 |
| Biggest City by Region | 0 | - | 4.50 | 36,387 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,327 |
