| Countries of Europe by Population | 0 | - | 4.98 | 180,131 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,419 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,499 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,010 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,616 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,342 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,646 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,875 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,823 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,054 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,665 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,972 |
| Countries with Megacities | 0 | - | 4.99 | 258,689 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,843 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,961 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,128 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,967 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,547 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,546 |
| Random European Capital to Country | 0 | - | 4.98 | 190,622 |
| Random European Country to Capital | 0 | - | 4.93 | 164,572 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,211 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,594 |
| Random African Capital to Country | 0 | - | 4.97 | 100,480 |
| Random African Country to Capital | 0 | - | 4.94 | 71,087 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,717 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,539 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,376 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,664 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,255 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,355 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,326 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,797 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,914 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,445 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,887 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,091 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,862 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,760 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,353 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,189 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,462 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,438 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,662 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,760 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,344 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,358 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,826 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,396 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,518 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,827 |
| Name a City - European Countries | 0 | - | 4.90 | 65,187 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,826 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,957 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,425 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,352 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,825 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,372 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,799 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,213 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,494 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,199 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,690 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,964 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,147 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,817 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,010 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,976 |
| Largest City by Island | 0 | - | 4.87 | 71,660 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,775 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,651 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,235 |
| Megacities on a World Map | 0 | - | 4.98 | 253,320 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,963 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,202 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,677 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,189 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,442 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,064 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,715 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,090 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,070 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,408 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,153 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,430 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,071 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,400 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,815 |
| Europe Capital to Country | 0 | - | 4.99 | 249,551 |
| Asia Capital to Country | 0 | - | 4.96 | 126,469 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,571 |
| European Capitals by Map | 0 | - | 4.99 | 138,549 |
| African Capitals by Map | 0 | - | 4.99 | 133,360 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,069 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,871 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,228 |
| European Coastal Capitals | 0 | - | 4.95 | 90,374 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,498 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,143 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,544 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,740 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,774 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,889 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,032 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,659 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,889 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,627 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,889 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,729 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,094 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,797 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,576 |
| Official Cities in the UK | 0 | - | 4.89 | 283,043 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,414 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,066 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,239 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,884 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,977 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,688 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,071 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,085 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,163 |
| Most Populous Islands | 0 | - | 4.80 | 122,779 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,274 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,502 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,767 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,816 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,124 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,304 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,350 |
| Capitals of the Stans | 0 | - | 4.95 | 26,738 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,315 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,787 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,391 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,871 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,494 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,955 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,929 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,013 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,491 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,536 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,898 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,058 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,047 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,320 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,209 |
| Boundary Waters | 0 | - | 4.92 | 88,371 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,074 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,896 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,151 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,322 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,502 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,065 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,389 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,042 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,919 |
| Biggest City by Region | 0 | - | 4.50 | 36,118 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,050 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,021 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,052 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,123 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,149 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,323 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,161 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,225 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,566 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,472 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,034 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,358 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,481 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,203 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,442 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,791 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,323,671 |
| Landlocked Countries | 0 | - | 4.99 | 418,773 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 567,659 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,340 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,510 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,492 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,602 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,414 |
| Population Trivia | 0 | - | 4.32 | 27,472 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,045 |
| Biggest Cities in Europe | 0 | - | 4.73 | 545,323 |
| Biggest Cities in History | 0 | - | 4.52 | 89,999 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 75,716 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,955 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,626 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,351 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,504 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,564 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,388 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,301 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,964 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,616 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,943 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,139 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,318 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,462 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,170 |
