| Countries of Europe by Population | 0 | - | 4.98 | 182,890 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,578 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,945 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,363 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,995 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,666 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,840 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,826 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,970 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,213 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,545 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,779 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,399 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,079 |
| Countries with Megacities | 0 | - | 4.99 | 266,972 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,789 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,096 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,102 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,206 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,302 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,106 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,148 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,805 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,014 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,256 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,408 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,302 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,984 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,631 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,885 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,197 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,597 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,017 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,591 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,912 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,911 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,313 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,425 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,854 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,751 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,227 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,518 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,940 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,603 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,694 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,192 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,370 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,278 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 40,001 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,682 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,949 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,960 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,409 |
| Name a City - European Countries | 0 | - | 4.90 | 66,135 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,495 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,639 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,438 |
| Australia Map Quiz | 0 | - | 4.95 | 346,099 |
| Australia A-Z | 0 | - | 4.54 | 50,132 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,316 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,369 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,019 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,382 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,896 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,322 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,642 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,736 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,873 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,183 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,551 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,620 |
| Largest City by Island | 0 | - | 4.87 | 72,430 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,413 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,668 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,123 |
| Megacities on a World Map | 0 | - | 4.98 | 256,811 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,804 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,752 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,644 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,337 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 123,911 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,255 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,628 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,780 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,863 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,507 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,184 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,508 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,847 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,742 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,436 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,022 |
| Europe Capital to Country | 0 | - | 4.99 | 252,009 |
| Asia Capital to Country | 0 | - | 4.96 | 127,362 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,928 |
| European Capitals by Map | 0 | - | 4.99 | 142,018 |
| African Capitals by Map | 0 | - | 4.99 | 142,077 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,879 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,839 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,154 |
| European Coastal Capitals | 0 | - | 4.95 | 91,282 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,171 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,714 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,150 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,620 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,068 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,628 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,900 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,686 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,773 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,864 |
| Australian States and Territories | 0 | - | 4.96 | 142,819 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,493 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,963 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,543 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,971 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,114 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,408 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,582 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,175 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,495 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,222 |
| Official Cities in the UK | 0 | - | 4.89 | 286,140 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,299 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,450 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,877 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,108 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,209 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,559 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,072 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,376 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,568 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,453 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,926 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,692 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,388 |
| Orthodox Countries | 0 | - | 4.92 | 132,763 |
| Battle to Country | 0 | - | 4.91 | 53,934 |
| Monarchies of Europe | 0 | - | 4.90 | 98,839 |
| Monarchies of Asia | 0 | - | 4.97 | 71,489 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,276 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,503 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,471 |
| Flags of Oceania | 0 | - | 5.00 | 262,542 |
| Most Populous Islands | 0 | - | 4.80 | 123,312 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,380 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,646 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,973 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,941 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,476 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,793 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,137 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,611 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,038 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,482 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,595 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,158 |
| Capitals of the Stans | 0 | - | 4.95 | 27,131 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,748 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,853 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,314 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,386 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,678 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,781 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,304 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,966 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,704 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,690 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,108 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,420 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,819 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 35,499 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,898 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,993 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,089 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,914 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,795 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,096 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,646 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,029 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,201 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,568 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,331 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,653 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,304 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,194 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,817 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,850 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,763 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,727 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,887 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,580 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,788 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,546 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,948 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,614 |
| Palau Country Quiz | 0 | - | 4.89 | 23,140 |
| Boundary Waters | 0 | - | 4.92 | 88,752 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,405 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,680 |
