| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,372 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,449 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,624 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,497 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,796 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,966 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,237 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,855 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,574 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,342 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,982 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,371 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,676 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,485 |
| Asia Capital to Country | 0 | - | 4.96 | 126,966 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,986 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,727 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,521 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,837 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,655 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,499 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,259 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,970 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,100 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,630 |
| Modern Day Countries of the Mughal Empire on a Map | 0 | - | 4.42 | 33,734 |
| Capitals of the Stans | 0 | - | 4.95 | 26,972 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,522 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,540 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,352 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,216 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,832 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,772 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,100 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,837 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,469 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,547 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,300 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,142 |
| Countries with Megacities | 0 | - | 4.99 | 265,159 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,957 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,606 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,224 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,678 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,052 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,701 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,085 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,668 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,064 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,152 |
| Hindu Countries | 0 | - | 4.86 | 50,346 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,175 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,627 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,135 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,025 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,384 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,270 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,639 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,835 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,294 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,467 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,313 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,274 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,927 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 146,522 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,329 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,903 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,192 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,499 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,286 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,386 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,914 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,022 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,430 |
| Biggest Cities in the United States | 0 | - | 4.94 | 982,162 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,020 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,313 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,710 |
| Name a City - European Countries | 0 | - | 4.90 | 65,770 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,641 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,063 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,991 |
| Biggest Cities in History | 0 | - | 4.52 | 90,354 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,443 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,977 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,569 |
| Biggest Cities in India | 0 | - | 4.64 | 67,899 |
| Cities in European History #1 | 0 | - | 4.63 | 134,285 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,809 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,124 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,169 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,741 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,838 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,250 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,409 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,560 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,023 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,191 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,143 |
| Largest City by Island | 0 | - | 4.87 | 72,139 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,321 |
| Megacities on a World Map | 0 | - | 4.98 | 255,659 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,569 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,290 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,168 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,432 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,838 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,370 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,073 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,542 |
| Former Capitals | 0 | - | 4.88 | 71,553 |
| Europe Capital to Country | 0 | - | 4.99 | 251,137 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,370 |
| European Capitals by Map | 0 | - | 4.99 | 140,516 |
| African Capitals by Map | 0 | - | 4.99 | 138,012 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,107 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,398 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,740 |
| European Coastal Capitals | 0 | - | 4.95 | 90,918 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,166 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,836 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,968 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,789 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,286 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,465 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,924 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,889 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,600 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,316 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,215 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,575 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,838 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,259 |
| Official Cities in the UK | 0 | - | 4.89 | 284,881 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,750 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,872 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,803 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,272 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,629 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,225 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,362 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,046 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,820 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,469 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,409 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,688 |
| Most Populous Islands | 0 | - | 4.80 | 123,104 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,333 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,586 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,897 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,341 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,644 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,128 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,783 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,658 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,999 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,646 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 83,442 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,132 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,866 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,622 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,599 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,158 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,514 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,732 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,327 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,129 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,332 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,895 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,653 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,968 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,856 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,949 |
| Random European Capital to Country | 0 | - | 4.98 | 191,588 |
| Random European Country to Capital | 0 | - | 4.93 | 165,493 |
| Random African Capital to Country | 0 | - | 4.97 | 100,990 |
| Random African Country to Capital | 0 | - | 4.94 | 71,465 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,349 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,732 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,375 |
| Vietnam War Countries | 0 | - | 4.82 | 94,405 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,921 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,301 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,050 |
| Countries Bordering India | 0 | - | 4.98 | 163,614 |
| Countries that Visit India the Most | 0 | - | 4.74 | 61,029 |
| Countries Closest to India | 0 | - | 4.97 | 102,993 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,905 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,224 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,817 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,586 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,066 |
| Biggest City by Region | 0 | - | 4.50 | 36,302 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,217 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,342 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,718 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,243 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,390 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,403 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,074 |
