| Countries of Europe by Population | 0 | - | 4.98 | 126,143 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 227,789 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,022 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 204,851 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 160,649 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 157,111 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.91 | 80,720 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.90 | 84,635 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,607 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 61,624 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,309,681 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 348,997 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,548 |
| Countries with Megacities | 0 | - | 4.99 | 196,724 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,130 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,710 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,031 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,677 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,368 |
| Biggest Cities in the World | 0 | - | 4.89 | 685,782 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 193,682 |
| Oceania Map Quiz | 0 | - | 4.97 | 567,078 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,407 |
| Name a World Capital A-Z | 0 | - | 4.99 | 140,782 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,882 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 65,991 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 244,772 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 108,879 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,868 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 68,970 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 172,660 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 149,733 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,415 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,260 |
| Biggest City in Every Country | 0 | - | 4.97 | 78,643 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 169,418 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 91,908 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 95,990 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 64,782 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,282 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 370,758 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,091 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,310 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,615 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,327 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 55,096 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 106,179 |
| Biggest Cities in the United States | 0 | - | 4.92 | 814,831 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 333,441 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 91,067 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.82 | 61,298 |
| Name a City - European Countries | 0 | - | 4.95 | 51,797 |
| Africa Capitals Quiz | 0 | - | 4.99 | 633,338 |
| Asia Capitals Quiz | 0 | - | 4.98 | 592,771 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 40,200 |
| Australia Map Quiz | 0 | - | 4.95 | 319,362 |
| Australia A-Z | 0 | - | 4.48 | 38,402 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 88,818 |
| Most Populous Country by First Two Letters | 0 | - | 4.75 | 66,857 |
| Demographics Multiple Choice | 0 | - | 4.66 | 39,735 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,567 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,386 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,120 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 93,294 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 69,254 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,923 |
| Biggest Cities by Language | 0 | - | 4.95 | 213,741 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,764 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,319 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,665 |
| Megacities on a World Map | 0 | - | 4.98 | 220,528 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 512,779 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,796 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,322 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,164 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 151,047 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 205,013 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,466 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 68,537 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,049 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,606 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,870 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 86,835 |
| European Cities A-Z | 0 | - | 4.23 | 70,408 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 79,699 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 56,386 |
| Europe Capital to Country | 0 | - | 4.99 | 219,579 |
| Asia Capital to Country | 0 | - | 4.96 | 105,570 |
| EU Capitals with No Hints | 0 | - | 4.96 | 124,189 |
| European Capitals by Map | 0 | - | 4.99 | 92,960 |
| African Capitals by Map | 0 | - | 4.99 | 110,101 |
| Asian Capitals by Map | 0 | - | 4.98 | 46,741 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 78,696 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 71,886 |
| European Coastal Capitals | 0 | - | 4.95 | 76,997 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 46,522 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 193,296 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,004 |
| Countries with the Most Christians | 0 | - | 4.93 | 107,237 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 72,374 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 143,627 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 144,153 |
| Countries Closest to United States A-Z | 0 | - | 4.86 | 107,243 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 99,785 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 176,965 |
| Australian States and Territories | 0 | - | 4.96 | 128,852 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 145,708 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 64,300 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 154,709 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,731 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,369 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,443 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,623 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 161,766 |
| Official Cities in the UK | 0 | - | 4.87 | 231,843 |
| Divided World City Name Puzzle #1 | 0 | - | 4.91 | 39,752 |
| South America Capitals Quiz | 0 | - | 5.00 | 418,882 |
| North America Capitals Quiz | 0 | - | 4.99 | 185,690 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 52,036 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 84,131 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 105,033 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 77,810 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 66,835 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 88,283 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 51,046 |
| European Capitals Ending in N | 0 | - | 4.91 | 73,848 |
| Countries with the Most Catholics | 0 | - | 4.91 | 92,967 |
| Orthodox Countries | 0 | - | 4.91 | 116,988 |
| Battle to Country | 0 | - | 4.92 | 35,299 |
| Monarchies of Europe | 0 | - | 4.88 | 86,878 |
| Monarchies of Asia | 0 | - | 4.95 | 53,928 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 98,002 |
| Australia Cities Map Quiz | 0 | - | 4.85 | 131,033 |
| Flags of Oceania | 0 | - | 5.00 | 214,726 |
| Most Populous Islands | 0 | - | 4.71 | 112,625 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,031 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,498 |
| Most Populous Islands of Europe | 0 | - | 4.53 | 24,127 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 49,403 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.97 | 5,422 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 99,048 |
| European Cities with the Biggest Economies | 0 | - | 4.58 | 35,305 |
| European Capitals with the Least Sunshine | 0 | - | 4.48 | 47,579 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 21,682 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.64 | 54,047 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 200,389 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 142,534 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 50,683 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 63,695 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,807 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 198,983 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,142 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 303,647 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,317 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.58 | 130,459 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 92,972 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 72,302 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 62,589 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 73,541 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 63,376 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 114,502 |
| Name a Valid European Capital | 0 | - | 4.92 | 105,502 |
| Melbourne Suburbs | 0 | - | 4.79 | 37,587 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 178,562 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 109,448 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 101,639 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 81,251 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 180,631 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 115,374 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 116,390 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 84,121 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 59,699 |
| Countries Closest to Australia | 0 | - | 4.99 | 145,301 |
| Tuvalu Country Quiz | 0 | - | 4.84 | 19,394 |
| Tonga Country Quiz | 0 | - | 4.81 | 18,217 |
| Palau Country Quiz | 0 | - | 4.88 | 20,360 |
| Boundary Waters | 0 | - | 4.93 | 81,024 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,586 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 92,990 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 64,921 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,243 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,508 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,040 |
| Biggest City by Region | 0 | - | 4.49 | 33,610 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,342 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 131,552 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 43,886 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 91,756 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,346 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,505 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,384 |
| 500 Biggest US Cities | 0 | - | 4.87 | 97,823 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,259 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 46,991 |
| Biggest U.S. Cities A-Z | 0 | - | 4.63 | 122,038 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,525,776 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 115,745 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 38,087 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 76,567 |
| Random European Capital to Country | 0 | - | 4.97 | 152,470 |
