| South America Capitals Quiz | 0 | - | 5.00 | 484,133 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,466 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,218 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,928 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,455 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,431 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,477 |
| Largest City by Island | 0 | - | 4.87 | 72,315 |
| South American Cities on the Map | 0 | - | 4.52 | 35,529 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,149 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,811 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,100 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,061 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,787 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,440 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,718 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,754 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,782 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,813 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,892 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,678 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,358 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,495 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,471 |
| States of Brazil | 0 | - | 4.97 | 89,306 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,587 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,965 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,948 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,730 |
| Countries with Megacities | 0 | - | 4.99 | 266,261 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,457 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,869 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,916 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,750 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,984 |
| Biggest Cities in the World | 0 | - | 4.92 | 804,025 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,890 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,846 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,126 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,310 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,905 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,777 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,772 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,657 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,791 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,259 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,508 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,256 |
| Brazil Country Quiz | 0 | - | 4.52 | 102,237 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,738 |
| Peru Country Quiz | 0 | - | 4.54 | 48,866 |
| Chile Country Quiz | 0 | - | 4.75 | 40,235 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,982 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,799 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,312 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,183 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,718 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,498 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,294 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,786 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,061 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,462 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,760 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,701 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,930 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,255 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,232 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,597 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,116 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,964 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,772 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,502 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,568 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,092 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,229 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,973 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,938 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,581 |
| Name a City - European Countries | 0 | - | 4.90 | 65,992 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,379 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,520 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,122 |
| Which South American Country? | 0 | - | 4.69 | 52,069 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,202 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,841 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,126 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,492 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,618 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,747 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,121 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,410 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,454 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,335 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,533 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,023 |
| Megacities on a World Map | 0 | - | 4.98 | 256,379 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,123 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,677 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,500 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,876 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,470 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,609 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,752 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,432 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,107 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,443 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,781 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,637 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,287 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,845 |
| Europe Capital to Country | 0 | - | 4.99 | 251,690 |
| Asia Capital to Country | 0 | - | 4.96 | 127,242 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,716 |
| European Capitals by Map | 0 | - | 4.99 | 141,565 |
| African Capitals by Map | 0 | - | 4.99 | 141,656 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,694 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,689 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,025 |
| European Coastal Capitals | 0 | - | 4.95 | 91,135 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,096 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,972 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,402 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,080 |
| African Island Countries | 0 | - | 4.96 | 102,276 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,483 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,734 |
| Islands by Country #1 | 0 | - | 4.90 | 176,118 |
| Belize Country Quiz | 0 | - | 4.85 | 21,062 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,320 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,427 |
| Flags of North and South America | 0 | - | 4.99 | 375,989 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,978 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,356 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,999 |
| Countries that Beat Brazil | 0 | - | 4.49 | 69,083 |
| Venezuela Country Quiz | 0 | - | 4.51 | 30,711 |
| Paraguay Country Quiz | 0 | - | 4.54 | 25,379 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,366 |
| Suriname Country Quiz | 0 | - | 4.61 | 19,914 |
| Guyana Country Quiz | 0 | - | 4.50 | 22,899 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,283 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,459 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,854 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,441 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,715 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,849 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,931 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,941 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,354 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,034 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,413 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,125 |
| Official Cities in the UK | 0 | - | 4.89 | 285,619 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,533 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,636 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,144 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,255 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,888 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,623 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,039 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,442 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,908 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,277 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,483 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,816 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,612 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,526 |
| Richest Island Countries | 0 | - | 4.85 | 101,063 |
| The Only American Country ... | 0 | - | 4.92 | 122,076 |
| US States Quiz | 0 | - | 5.00 | 16,966,345 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,318 |
| Capitals of the Stans | 0 | - | 4.95 | 27,073 |
| Most Populous Islands | 0 | - | 4.80 | 123,220 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,359 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,611 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,943 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,420 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,728 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,249 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,913 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,399 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,500 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,783 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,129 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,970 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,211 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,497 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,368 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,757 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,927 |
| Random U.S. City to State | 0 | - | 4.45 | 76,771 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,586 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,034 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,349 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,467 |
| Central American Countries | 0 | - | 4.98 | 157,143 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,168 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,190 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,893 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,658 |
