| South America Capitals Quiz | 0 | - | 5.00 | 481,408 |
| South America Map Quiz | 0 | - | 5.00 | 1,549,762 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,055 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,776 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,608 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,582 |
| South American Cities on the Map | 0 | - | 4.53 | 35,425 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,762 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,948 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,885 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,848 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,321 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,826 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,428 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,174 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,788 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,299 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,885 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,245 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,832 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,790 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,095 |
| Central American Countries | 0 | - | 4.98 | 156,468 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,422 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,736 |
| States of Brazil | 0 | - | 4.97 | 88,050 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,914 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,923 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,638 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,326 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,452 |
| Countries with Megacities | 0 | - | 4.99 | 263,365 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,292 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,239 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,587 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,279 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,787 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,893 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,720 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,796 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,903 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,390 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,535 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,081 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,943 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,547 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,051 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,340 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,841 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,811 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,516 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,619 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,897 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,624 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,044 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,484 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,625 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,335 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,355 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,154 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,026 |
| Name a City - European Countries | 0 | - | 4.90 | 65,383 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,668 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,855 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,158 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,136 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,467 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,135 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,619 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,858 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,252 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,604 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,443 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,888 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,154 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,313 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,887 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,536 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,396 |
| Largest City by Island | 0 | - | 4.87 | 71,866 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,985 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,948 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,506 |
| Megacities on a World Map | 0 | - | 4.98 | 254,516 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,165 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,344 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,923 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,651 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,363 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,988 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,276 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,196 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,745 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,249 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,539 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,244 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,587 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,676 |
| North America Cities by Map | 0 | - | 4.41 | 47,806 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,093 |
| Europe Capital to Country | 0 | - | 4.99 | 250,182 |
| Asia Capital to Country | 0 | - | 4.96 | 126,660 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,872 |
| European Capitals by Map | 0 | - | 4.99 | 139,152 |
| African Capitals by Map | 0 | - | 4.99 | 133,785 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,394 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,067 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,416 |
| European Coastal Capitals | 0 | - | 4.95 | 90,596 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,586 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,995 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,006 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,829 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,961 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,122 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,248 |
| Belize Country Quiz | 0 | - | 4.85 | 20,973 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,423 |
| Flags of North and South America | 0 | - | 4.99 | 373,099 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,551 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,378 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,267 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,940 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,233 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,988 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,077 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,646 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,408 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,974 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,740 |
| Official Cities in the UK | 0 | - | 4.89 | 283,722 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,475 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,037 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,263 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,829 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,174 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,364 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,288 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,123 |
| The Only American Country ... | 0 | - | 4.92 | 121,606 |
| Venezuela Country Quiz | 0 | - | 4.51 | 30,599 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,294 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,266 |
| Suriname Country Quiz | 0 | - | 4.61 | 19,819 |
| Guyana Country Quiz | 0 | - | 4.50 | 22,804 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,960 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,467 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,128 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,479 |
| Most Populous Islands | 0 | - | 4.80 | 122,927 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,302 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,533 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,815 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,848 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,219 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,412 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,333 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,609 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,930 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,088 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,493 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,805 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,044 |
| Capitals of the Stans | 0 | - | 4.95 | 26,841 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,433 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,906 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,528 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,350 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,795 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,337 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,762 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,557 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,146 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,351 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,662 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,376 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,155 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,644 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,050 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,179 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,942 |
| States of Mexico | 0 | - | 4.96 | 176,095 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,464 |
| Boundary Waters | 0 | - | 4.92 | 88,465 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,162 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,088 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,441 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,460 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,682 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,569 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,086 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,983 |
| Biggest City by Region | 0 | - | 4.50 | 36,223 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,138 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,299 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,286 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,412 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,185 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,350 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,258 |
