| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,767 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,699 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,749 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,425 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,037 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,417 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,450 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,890 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,283 |
| Asia Capital to Country | 0 | - | 4.96 | 127,230 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,653 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,090 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,764 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,788 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,701 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,920 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,346 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,273 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,805 |
| Capitals of the Stans | 0 | - | 4.95 | 27,069 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,663 |
| Countries with Megacities | 0 | - | 4.99 | 266,165 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,398 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,832 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,685 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,954 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,488 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,831 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,889 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,876 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,074 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,964 |
| Random European Capital to Country | 0 | - | 4.98 | 191,868 |
| Random European Country to Capital | 0 | - | 4.93 | 165,686 |
| Random African Capital to Country | 0 | - | 4.97 | 101,169 |
| Random African Country to Capital | 0 | - | 4.94 | 71,636 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,302 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,167 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,695 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,490 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,774 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,041 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,449 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,739 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,671 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,895 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,236 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,166 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,580 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,104 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,912 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,755 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,489 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,557 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,084 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,216 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,918 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,751 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,552 |
| Name a City - European Countries | 0 | - | 4.90 | 65,975 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,309 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,418 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,435 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,730 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,117 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,291 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,184 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,975 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,352 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,834 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,108 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,474 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,599 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,732 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,111 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,396 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,434 |
| Largest City by Island | 0 | - | 4.87 | 72,297 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,331 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,516 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,011 |
| Megacities on a World Map | 0 | - | 4.98 | 256,287 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,042 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,667 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,491 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,844 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,454 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,893 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,064 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,449 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,591 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,741 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,422 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,101 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,440 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,765 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,625 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,273 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,828 |
| Europe Capital to Country | 0 | - | 4.99 | 251,655 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,698 |
| European Capitals by Map | 0 | - | 4.99 | 141,519 |
| African Capitals by Map | 0 | - | 4.99 | 141,589 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,674 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,014 |
| European Coastal Capitals | 0 | - | 4.95 | 91,125 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,913 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,374 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,073 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,475 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,721 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,096 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,917 |
| Most Populous Islands | 0 | - | 4.80 | 123,209 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,359 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,610 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,941 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,916 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,843 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,416 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,423 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,704 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,839 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,940 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,030 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,408 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,115 |
| Official Cities in the UK | 0 | - | 4.89 | 285,569 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,876 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,044 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,592 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,035 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,433 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,894 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,248 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,480 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,162 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,922 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,602 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,053 |
| Boundary Waters | 0 | - | 4.92 | 88,694 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,354 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,521 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,121 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,822 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,720 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,247 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,911 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,373 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,193 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,744 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,529 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,647 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,347 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,476 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,319 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,459 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,176 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,845 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,616 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,021 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,969 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,614 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,110 |
| Biggest City by Region | 0 | - | 4.50 | 36,345 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,282 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,145 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,279 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,418 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,484 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,525 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,000 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,760,074 |
| Landlocked Countries | 0 | - | 4.99 | 424,190 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 584,422 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,687 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,288 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,408 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,874 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,837 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,080 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,296 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,883 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,764 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,404 |
| Biggest Cities in China | 0 | - | 4.53 | 159,570 |
| Biggest Cities in India | 0 | - | 4.64 | 67,986 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,493 |
| World Capitals Quiz | 0 | - | 5.00 | 5,097,265 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,876 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,207 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,734 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,018 |
| Vietnam War Countries | 0 | - | 4.82 | 94,509 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,969 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,171 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,794,450 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,582 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,299 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,261 |
