| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,418 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,315 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,765 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,430 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,791 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,276 |
| African Capitals by Map | 0 | - | 4.99 | 141,595 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,722 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,039 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,768 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,701 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,750 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,876 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,675 |
| Countries with Megacities | 0 | - | 4.99 | 266,180 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,409 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,839 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,694 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,958 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,840 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,898 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,891 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,212 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,303 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,169 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,698 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,492 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,778 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,044 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,452 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,743 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,677 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,901 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,239 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,174 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,581 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,106 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,758 |
| 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 | 65,086 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,218 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,918 |
| Name a City - European Countries | 0 | - | 4.90 | 65,977 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,639 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,428 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,922 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,776 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,555 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,461 |
| Countries of Africa | 0 | - | 5.00 | 2,553,359 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,975 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,352 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,419 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,439 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,162 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,186 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,836 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,112 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,478 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,601 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,734 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,111 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,397 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,436 |
| Largest City by Island | 0 | - | 4.87 | 72,299 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,332 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,520 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,011 |
| Megacities on a World Map | 0 | - | 4.98 | 256,296 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,050 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,668 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,494 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,848 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,450 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,592 |
| 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 | 73,767 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,627 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,830 |
| Europe Capital to Country | 0 | - | 4.99 | 251,659 |
| Asia Capital to Country | 0 | - | 4.96 | 127,230 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,702 |
| European Capitals by Map | 0 | - | 4.99 | 141,521 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,659 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,674 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,016 |
| European Coastal Capitals | 0 | - | 4.95 | 91,125 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,090 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,917 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,377 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,074 |
| African Island Countries | 0 | - | 4.96 | 102,265 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,476 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,725 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,351 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,091 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,320 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,092 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,978 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,409 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,923 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,096 |
| 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 | 63,123 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,823 |
| 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 | 49,942 |
| 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 | 74,424 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,709 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,840 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,926 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,347 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,947 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,031 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,409 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,116 |
| Official Cities in the UK | 0 | - | 4.89 | 285,582 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,057 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,597 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,035 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,435 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,895 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,273 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,480 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,806 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,604 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,696 |
| The Only African Country ... | 0 | - | 4.99 | 129,520 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,321 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,199 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,642 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,297 |
| Capitals of the Stans | 0 | - | 4.95 | 27,069 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,760,966 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,022 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,721 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,971 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,616 |
| 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 | 32,158 |
| 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 | 225,375 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,490 |
| 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 | 83,486 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,194 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,526 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,746 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,540 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,657 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,348 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,479 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,325 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,460 |
| Landlocked Countries | 0 | - | 4.99 | 424,201 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,096 |
| Name a Valid African Country | 0 | - | 4.98 | 154,820 |
| Tanzania Country Quiz | 0 | - | 4.91 | 33,205 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,740 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,941 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,524 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,838 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,257 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,688 |
| Population Trivia | 0 | - | 4.32 | 27,541 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,876 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,838 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,078 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,086 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,296 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,886 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,766 |
| World Capitals Quiz | 0 | - | 5.00 | 5,097,391 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,207 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,735 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,965 |
| Random European Capital to Country | 0 | - | 4.98 | 191,868 |
| Random European Country to Capital | 0 | - | 4.93 | 165,686 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,891 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,284 |
| Random African Capital to Country | 0 | - | 4.97 | 101,170 |
| Random African Country to Capital | 0 | - | 4.94 | 71,636 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,019 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,506 |
| Himalayan Countries | 0 | - | 4.94 | 139,663 |
