| Countries of Europe by Population | 0 | - | 4.98 | 177,802 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,477 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,501 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,764 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,857 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,722 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,923 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,772 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,864 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,246 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,621 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,910 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,351 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,922 |
| Countries with Megacities | 0 | - | 4.99 | 246,328 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,842 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,762 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,295 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,703 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,569 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,239 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,678 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,161 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,845 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,666 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,048 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,750 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,757 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,787 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,416 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,517 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,290 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,124 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,175 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,542 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,520 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,639 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,745 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,745 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,388 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,440 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,354 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,471 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,979 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,085 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,673 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,606 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,396 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,864 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,522 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,567 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,758 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,968 |
| Name a City - European Countries | 0 | - | 4.92 | 64,292 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,588 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,038 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,731 |
| Australia Map Quiz | 0 | - | 4.94 | 342,283 |
| Australia A-Z | 0 | - | 4.54 | 49,768 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,578 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,092 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,637 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,073 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,093 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,197 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,791 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,317 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,490 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,239 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,276 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,737 |
| Largest City by Island | 0 | - | 4.87 | 70,975 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,309 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,442 |
| Biggest European Cities by Century | 0 | - | 4.98 | 140,251 |
| Megacities on a World Map | 0 | - | 4.98 | 250,623 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,794 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,735 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,786 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,554 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,083 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,059 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,349 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,197 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,196 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,541 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,505 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,739 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,135 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 77,133 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,269 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,684 |
| Europe Capital to Country | 0 | - | 4.99 | 247,354 |
| Asia Capital to Country | 0 | - | 4.96 | 125,652 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,335 |
| European Capitals by Map | 0 | - | 4.99 | 136,023 |
| African Capitals by Map | 0 | - | 4.99 | 132,082 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,002 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,091 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,542 |
| European Coastal Capitals | 0 | - | 4.95 | 89,676 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,155 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,607 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,388 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,305 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,834 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,029 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,999 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,340 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,627 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,814 |
| Australian States and Territories | 0 | - | 4.95 | 140,576 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,995 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,295 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,084 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,885 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,144 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,521 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,729 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,389 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,240 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,504 |
| Official Cities in the UK | 0 | - | 4.89 | 280,269 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,058 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,441 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,927 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,613 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,571 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,351 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,042 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,094 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,655 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,662 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,386 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,721 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,912 |
| Orthodox Countries | 0 | - | 4.91 | 130,285 |
| Battle to Country | 0 | - | 4.91 | 52,461 |
| Monarchies of Europe | 0 | - | 4.90 | 97,239 |
| Monarchies of Asia | 0 | - | 4.97 | 70,550 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,395 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,507 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,334 |
| Flags of Oceania | 0 | - | 5.00 | 254,782 |
| Most Populous Islands | 0 | - | 4.78 | 121,924 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,193 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,397 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,591 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,710 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,813 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,875 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,267 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,638 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,158 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,733 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,135 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,908 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,524 |
| Capitals of the Stans | 0 | - | 4.95 | 26,378 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,293 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,963 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,593 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,005 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,469 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,884 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,498 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,059 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,322 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,484 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,867 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,699 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,661 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,111 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,615 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,733 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,150 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,627 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,135 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,322 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,778 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,389 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,720 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,426 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,131 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,313 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,174 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,021 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,183 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,052 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,459 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,175 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,439 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,140 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,279 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,333 |
| Palau Country Quiz | 0 | - | 4.89 | 22,820 |
| Boundary Waters | 0 | - | 4.92 | 88,008 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,790 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,201 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,167 |
