| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,957 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,830 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,820 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,767 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,812 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,477 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,680 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,904 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,834 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,358 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,403 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,113 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,850 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,498 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,174 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,500 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,846 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,731 |
| Asia Capital to Country | 0 | - | 4.96 | 127,345 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,869 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,164 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,532 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,329 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,638 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,961 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,094 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,405 |
| Biggest Cities in China | 0 | - | 4.53 | 159,806 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,212 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,362 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,913 |
| Capitals of the Stans | 0 | - | 4.95 | 27,118 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,922 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,948 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,088 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,669 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,252 |
| 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 | 1,453,554 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,359 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,034 |
| Countries with Megacities | 0 | - | 4.99 | 266,898 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,748 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,054 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,065 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,179 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,568 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,948 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,171 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,138 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,344 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,473 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,400 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,290 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,962 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,620 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,872 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,180 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,573 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,902 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,889 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,280 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,407 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,800 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,735 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,217 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,464 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,927 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,589 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,678 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,181 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,359 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,244 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,472 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,909 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,989 |
| Name a City - European Countries | 0 | - | 4.90 | 66,120 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,378 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,361 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,494 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,215 |
| Biggest Cities in History | 0 | - | 4.52 | 90,562 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,948 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,738 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,688 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,487 |
| Cities in European History #1 | 0 | - | 4.63 | 134,571 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,242 |
| China by Picture | 0 | - | 4.51 | 63,684 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,296 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,888 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,295 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,625 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,724 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,863 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,180 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,533 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,601 |
| Largest City by Island | 0 | - | 4.87 | 72,413 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,651 |
| Megacities on a World Map | 0 | - | 4.98 | 256,756 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,742 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,630 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,523 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,282 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,250 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,613 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,759 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,423 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,995 |
| Former Capitals | 0 | - | 4.88 | 71,662 |
| Europe Capital to Country | 0 | - | 4.99 | 251,973 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,901 |
| European Capitals by Map | 0 | - | 4.99 | 141,977 |
| African Capitals by Map | 0 | - | 4.99 | 142,031 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,798 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,816 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,136 |
| European Coastal Capitals | 0 | - | 4.95 | 91,265 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,520 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,681 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,139 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,307 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,611 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,881 |
| 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 | 159,951 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,380 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,529 |
| 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 | 51,489 |
| Official Cities in the UK | 0 | - | 4.89 | 286,068 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,018 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,044 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,192 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,542 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,065 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,267 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,557 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,195 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,983 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,685 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,547 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,379 |
| Most Populous Islands | 0 | - | 4.80 | 123,300 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,379 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,642 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,972 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,469 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,776 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,297 |
| 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 | 225,671 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,988 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,496 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,414 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,395 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,115 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,874 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,770 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,244 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,881 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,020 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,878 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,732 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,630 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,368 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,802 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,027 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,034 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,540 |
| Random European Capital to Country | 0 | - | 4.98 | 192,077 |
| Random European Country to Capital | 0 | - | 4.93 | 165,840 |
| Random African Capital to Country | 0 | - | 4.97 | 101,295 |
| Random African Country to Capital | 0 | - | 4.95 | 71,722 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,532 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,249 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,782 |
| Vietnam War Countries | 0 | - | 4.82 | 94,583 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,138 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,438 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,570 |
| Countries that Border China | 0 | - | 4.96 | 264,208 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,821 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,506 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,723 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,168 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,858 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,106 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,323 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,065 |
| 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 | 36,386 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,326 |
