| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,971 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,973 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,820 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,017 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,906 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,832 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,802 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,391 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,386 |
| Asia Capital to Country | 0 | - | 4.96 | 125,741 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,117 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,176 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,597 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,943 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,700 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,296 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,560 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,166 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,434 |
| Capitals of the Stans | 0 | - | 4.95 | 26,402 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,104 |
| Countries with Megacities | 0 | - | 4.99 | 246,750 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,036 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,914 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,458 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,808 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,558 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,824 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,566 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,203 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,271 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,033 |
| Random European Capital to Country | 0 | - | 4.98 | 189,187 |
| Random European Country to Capital | 0 | - | 4.92 | 147,436 |
| Random African Capital to Country | 0 | - | 4.97 | 99,734 |
| Random African Country to Capital | 0 | - | 4.94 | 70,227 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,102 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,813 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,881 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,864 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,464 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,578 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,245 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,629 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,638 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,865 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,832 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,986 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,474 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,503 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,555 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,564 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,043 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,151 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,732 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,664 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,503 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,445 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,739 |
| Name a City - European Countries | 0 | - | 4.92 | 64,375 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,120 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,381 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,369 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,795 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,619 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,198 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,652 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,084 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,132 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,310 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,899 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,381 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,570 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,285 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,417 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,833 |
| Largest City by Island | 0 | - | 4.87 | 71,028 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,384 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,526 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,100 |
| Megacities on a World Map | 0 | - | 4.98 | 250,908 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,160 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,787 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,853 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,702 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,049 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,753 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,134 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,448 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,272 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,253 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,598 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,553 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,795 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,204 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,333 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,792 |
| Europe Capital to Country | 0 | - | 4.99 | 247,682 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,434 |
| European Capitals by Map | 0 | - | 4.99 | 136,228 |
| African Capitals by Map | 0 | - | 4.99 | 132,142 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,167 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,594 |
| European Coastal Capitals | 0 | - | 4.95 | 89,733 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,757 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,760 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,415 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,096 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,076 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,596 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 63,997 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,275 |
| Most Populous Islands | 0 | - | 4.79 | 121,971 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,200 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,401 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,606 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,720 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,374 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,844 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,133 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,925 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,008 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,991 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,485 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,285 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,582 |
| Official Cities in the UK | 0 | - | 4.89 | 280,485 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,787 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,195 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,820 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,655 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,402 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,105 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,031 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,697 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,808 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,234 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,760 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,736 |
| Boundary Waters | 0 | - | 4.92 | 88,031 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,807 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,267 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,267 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,827 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,946 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,530 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,111 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,443 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,777 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,186 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,912 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,340 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,722 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,387 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,819 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,661 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,649 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,863 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,229 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,443 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,902 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,903 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,693 |
| Biggest City by Region | 0 | - | 4.50 | 35,993 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,894 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,013 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,219 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,917 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,250 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,782 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,908,108 |
| Landlocked Countries | 0 | - | 4.99 | 413,471 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,122 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,785 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,098 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,246 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,437 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,711 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,761 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,476 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,521 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,515 |
| Biggest Cities in China | 0 | - | 4.53 | 156,999 |
| Biggest Cities in India | 0 | - | 4.70 | 67,325 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,428 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,542 |
| India State Capitals Quiz | 0 | - | 4.27 | 59,369 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,432 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,192 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,761 |
| Vietnam War Countries | 0 | - | 4.83 | 93,594 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,265 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,680 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,715,443 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,662 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,447 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,834 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,153 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,987 |
| Population Trivia | 0 | - | 4.32 | 27,422 |
