| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,251 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,968 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,913 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,294 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,693 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,059 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,211 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,033 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,491 |
| Asia Capital to Country | 0 | - | 4.96 | 127,607 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,994 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,220 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,046 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,071 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,892 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,234 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,451 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,430 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,992 |
| Capitals of the Stans | 0 | - | 4.95 | 27,179 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,292 |
| Countries with Megacities | 0 | - | 4.99 | 267,393 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,962 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,213 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,283 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,320 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,788 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,822 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,668 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,105 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,385 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,114 |
| Random European Capital to Country | 0 | - | 4.98 | 192,222 |
| Random European Country to Capital | 0 | - | 4.93 | 165,970 |
| Random African Capital to Country | 0 | - | 4.97 | 101,393 |
| Random African Country to Capital | 0 | - | 4.95 | 71,781 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,496 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,373 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,325 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,721 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,941 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,277 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,659 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,997 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,041 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,852 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,560 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,531 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,202 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,843 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,301 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,834 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,015 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,665 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,765 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,249 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,450 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,511 |
| Biggest Cities in the United States | 0 | - | 4.94 | 987,754 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,200 |
| Name a City - European Countries | 0 | - | 4.89 | 66,241 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,259 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,701 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,279 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,799 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,179 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,395 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,483 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,036 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,392 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,936 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,435 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,737 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,795 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,943 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,216 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,662 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,740 |
| Largest City by Island | 0 | - | 4.87 | 72,488 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,451 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,743 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,185 |
| Megacities on a World Map | 0 | - | 4.98 | 257,130 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,294 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,794 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,737 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,574 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,641 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,046 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,319 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,735 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,885 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,931 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,559 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,221 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,538 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,883 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,799 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,550 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,146 |
| Europe Capital to Country | 0 | - | 4.99 | 252,249 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,075 |
| European Capitals by Map | 0 | - | 4.99 | 142,256 |
| African Capitals by Map | 0 | - | 4.99 | 142,323 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,956 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,242 |
| European Coastal Capitals | 0 | - | 4.95 | 91,370 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,896 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,912 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,196 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,717 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,998 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,424 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 65,053 |
| Most Populous Islands | 0 | - | 4.80 | 123,372 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,389 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,658 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,993 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,956 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,016 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,508 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,598 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,833 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,037 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,963 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,271 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,543 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,290 |
| Official Cities in the UK | 0 | - | 4.89 | 286,487 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,157 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,177 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,372 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,288 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,632 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,189 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,281 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,610 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,227 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,018 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,743 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,602 |
| Boundary Waters | 0 | - | 4.92 | 88,794 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,428 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,748 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,402 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,001 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,814 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,328 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,993 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,874 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,570 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,994 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,443 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,092 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,165 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,717 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,703 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,588 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,457 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,668 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,460 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,168 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,140 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,666 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,168 |
| Biggest City by Region | 0 | - | 4.50 | 36,402 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,353 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,315 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,450 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,579 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,584 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,042 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,912,758 |
| Landlocked Countries | 0 | - | 4.99 | 426,409 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 589,757 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,780 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,345 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,366 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,123 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,088 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,759 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,501 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,282 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,958 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,538 |
| Biggest Cities in China | 0 | - | 4.53 | 159,982 |
| Biggest Cities in India | 0 | - | 4.64 | 68,084 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,426 |
| World Capitals Quiz | 0 | - | 5.00 | 5,108,940 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,956 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,494 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,836 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,405 |
| Vietnam War Countries | 0 | - | 4.82 | 94,674 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,055 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,642 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,807,290 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,751 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,611 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,483 |
