| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,124 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,050 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,862 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,558 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,299 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,365 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,431 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,226 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,397 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,350 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,693 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,633 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,887 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,306 |
| Asia Capital to Country | 0 | - | 4.96 | 125,832 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,307 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,223 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,121 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,957 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,127 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,545 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,601 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,674 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,237 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,565 |
| Capitals of the Stans | 0 | - | 4.95 | 26,457 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,735 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,157 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,722 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,688 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,404 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,449 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,525 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,321 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,751 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,064 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,898 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,570 |
| Countries with Megacities | 0 | - | 4.99 | 247,463 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,413 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,169 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,820 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,084 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,525 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,749 |
| Biggest Cities in the World | 0 | - | 4.92 | 791,108 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,824 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,677 |
| Hindu Countries | 0 | - | 4.86 | 49,636 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,776 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,181 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,978 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,222 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,001 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,548 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,771 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,384 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,732 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,786 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,162 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,975 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,275 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,580 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,589 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,937 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,680 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,116 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,225 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,801 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,767 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,629 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,704 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,044 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,091 |
| Name a City - European Countries | 0 | - | 4.92 | 64,519 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,892 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,911 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,633 |
| Biggest Cities in History | 0 | - | 4.52 | 89,174 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,140 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,675 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,213 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,304 |
| Biggest Cities in India | 0 | - | 4.70 | 67,373 |
| Cities in European History #1 | 0 | - | 4.63 | 133,231 |
| India State Capitals Quiz | 0 | - | 4.27 | 59,386 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,652 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,753 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,194 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,454 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,049 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,486 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,674 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,346 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,652 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,941 |
| Largest City by Island | 0 | - | 4.87 | 71,106 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,631 |
| Megacities on a World Map | 0 | - | 4.98 | 251,212 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,850 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,934 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,343 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,908 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,259 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,591 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,432 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,981 |
| Former Capitals | 0 | - | 4.88 | 71,168 |
| Europe Capital to Country | 0 | - | 4.99 | 248,123 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,622 |
| European Capitals by Map | 0 | - | 4.99 | 136,650 |
| African Capitals by Map | 0 | - | 4.99 | 132,298 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,617 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,304 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,722 |
| European Coastal Capitals | 0 | - | 4.95 | 89,864 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,167 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,057 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,454 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,664 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,206 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,215 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,679 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,732 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,503 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,109 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,199 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,988 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,604 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,352 |
| Official Cities in the UK | 0 | - | 4.89 | 280,841 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,863 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,171 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,729 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,488 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,261 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,041 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,759 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,827 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,292 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,821 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,892 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,971 |
| Most Populous Islands | 0 | - | 4.79 | 122,036 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,212 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,415 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,634 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,885 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,003 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,565 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,144 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,367 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,637 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,525 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,793 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,876 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,896 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,610 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,588 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,840 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,302 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,183 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,510 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,856 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,461 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,557 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,236 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,792 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,146 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,082 |
| Random European Capital to Country | 0 | - | 4.98 | 189,358 |
| Random European Country to Capital | 0 | - | 4.92 | 147,580 |
| Random African Capital to Country | 0 | - | 4.97 | 99,783 |
| Random African Country to Capital | 0 | - | 4.94 | 70,290 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,716 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,862 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,053 |
| Vietnam War Countries | 0 | - | 4.83 | 93,670 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,313 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,762 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,772 |
| Countries Bordering India | 0 | - | 4.98 | 162,651 |
| Countries that Visit India the Most | 0 | - | 4.74 | 60,237 |
| Countries Closest to India | 0 | - | 4.97 | 102,244 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 113,097 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,818 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,975 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,921 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,735 |
| Biggest City by Region | 0 | - | 4.50 | 36,009 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,921 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,679 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,425 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,036 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,238 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,944 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,898 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,266 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,583 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,495 |
